C2 CANISTER - The canister used as part of a protective mask for CB warfare.
CAKE - ASW weapon state report.
CALCIUM HYPOCHLORITE - The standard shipboard decontaminant for chemical and biological agents.
CALIBER - Bore diameter, measured from land to land.
CAINS - Used to load alignment and waypoint data to aircraft computer prior to takeoff.
CANARY - "I" - transponder.
CANCEL TRACK - Track indicated in message has been cancelled.
- Taking parts from one system to restore a casualty in another system.
CAN BUOYS - Cylindrical shaped, unlit, primarily green.
CANCEL CASREP (CASCAN) - Submitted upon commencement of an overhaul
or other scheduled availability period when equipment, which has been
the subject of casualty reporting, is scheduled to be repaired.
CANDLE - Unit used as illuminator in a HAG.
CANDLES - Night illumination devices.
CANDY - Ammunition state report.
CANISTER (AIR PURIFYING) - A container with a filter, absorbent or catalyst, or any combination thereof, which removes specific contaminants from the air drawn through it.
CANISTER (OXYGEN-GENERATING) - A container filled with a chemical that generates oxygen by chemical reaction.
CANYON - Use electronic jamming on radar frequency indicated or in accordance with previous orders.
CANYON AFFIRM - Designated track is being jammed by this units (or unit indicated). CAP/CAPPING (Location) 1. Directive call to establish an orbit at a specified location. 2. An orbit at a specified location.
CAP TARGET - Used by the AAWC to indicated that a target is primary target for CAP.
CAPSTAN/GYPSY HEAD - The drum usually on vertical machinery units around which lines are passed to provide assistance in hoisting weights, including anchors, or taking a strain on lines.
CAPTAIN'S MAST - In the Navy, nonjudicial punishment proceedings are referred to as "Captain's Mast" or simply "mast." The basis of Captain's Mast is Article 15, UCMJ. Mast is not, in a legal sense, a trial (it is nonjudicial), punishment is not a sentence, and a "finding of guilt" is not a conviction.
CAPTURED - Aircrew has identified and is able to track a specified A/G target with an onboard sensor.
CARBON DIOXIDE (CO2) - An effective agent for extinguishing fires by smothering them and also produced by a fire when there is complete combustion of all of the carbon in the burning material. CO2 is a colorless and odorless gas.
CARBON DIOXIDE (CO2) FIRE EXTINGUISHER - Used on small electrical fires (class CHARLIE) and has limited effectiveness on class BRAVO fires.
CARBON DIOXIDE (CO2) HOSE-AND-REEL SYSTEM - Consists of two cylinders, a length of special CO2 hose coiled on a reel, and a horn-shaped nonconducting nozzle equipped with a second control valve.
CARBON MONOXIDE (CO) - A colorless, odorless, tasteless, and nonirritating gas. However, it can cause death even in small concentrations.
CARDINAL SYSTEM - Buoys used to mark the geographic relationship of a hazard, i.e. north, south, east, or west.
CARGO DROP REEL - Provided by the delivery ship; used to lower a load from a trolley on a tensioned highline.
CARRIAGE - A rotating mounting base for gun deck components; comprised of two assemblies.
CARRIER AIRCRAFT INERTIAL NAVIGATION SYSTEM - Part of Link-4A used to load alignment and waypoint data into aircraft computers prior to takeoff.
CARTRIDGE CASE - Contains the primer and propellant charge.
CASUALTY - An equipment malfunction or deficiency which cannot be corrected within 48 hours and which reduces the ship's ability to perform primary and secondary missions.
CASUALTY EXPOSURE - The total gamma exposure that the commanding officer has established to identify radiological casualties; once an individual's accumulated exposure has reached this level, that person cannot be assigned duties involving additional radiological exposure without command approval.
CASUALTY REPORTS (CASREP) - Provides an expeditious means of reporting a diminished combat readiness posture due to a significant equipment malfunction.
CASUALTY POWER - Temporary power provided to ships vital equipment and systems when battle damage occurs to the normal electrical distribution system.
CASUALTY POWER SYSTEM - One of the most important shipboard damage control systems. The system is a simple electrical distribution system. It is used to maintain a source of electrical power for the most vital machinery and equipment needed to keep the ship afloat or to get the ship out of a danger area. The casualty power system is intended to provide power during real emergencies only. It must NOT be used as a means of making temporary routine repairs.
CASUALTY - A person unavailable for duty because of injuries.
CAUTION TAG - A caution tag is a yellow tag used as a precautionary measure to provide temporary special instruction or to indicate that unusual action must be exercised to operate equipment.
CAVOK - Cloud and Visibility Okay (ICAO term meaning no significant clouds below 5,000 feet, visibility at least six miles, no precipitation or storms).
CDO - The Command Duty Officer is responsible for the safety of the ship and crew in the Commanding Officer’s absence.
CEASED - Subject emitter has stopped radiating.
CEASE ENGAGEMENT - In air defense, break the engagement on the target specified and prepare to engage another target. Missiles in flight will continue to intercept.
CEASE FIRE - Do not open fire/cease firing (missiles in flight continue to intercept).
CEASE FIRE ALARM - Sounded to order gun crew to stop fire; can be activated from Gun Plot or WCS.
CEASE REPORTING - Information on the contact is no longer to be reported, but plotting and assessment of classification, course, speed, altitude, identification and closest point of approach is to be continued. Reporting is to recommence automatically for changes in classification or alterations of course, speed or altitude.
CEILING LIMIT - Concentration of a substance above which personnel should not be exposed, even instantaneously.
CELESTIAL NAVIGATION - The art of determining position or plotting a course by observing celestial bodies (sun, moon, planets, and stars).
CELESTIAL SPHERE - An imaginary sphere surrounding the earth with its own poles and equator that are extensions of the earth's poles and equator.
CELESTAIL TRIANGLE - This is formed on the celestial sphere by the great circles connecting the elevated pole, zenith of the assumed position of the observer, and a celestial body.
CENTER OF BUOYANCY - When a ship is floating at rest in calm water, it is acted upon by two sets of forces: (1) the downward force of gravity and (2) the upward force of buoyancy. The force of gravity is a resultant or composite force, including the weights of all portions of the ship's structure, equipment, cargo, and personnel. The force of gravity may be considered as a single force, which acts downward through the ship's center of gravity (G).
CENTER OF GRAVITY - -The point at which all the weights of the unit or system are considered to be concentrated and have the same effect as that of all the component parts.
CENTIGRAY (cGy) - An international unit of measure for absorbed radiological dose, used by other U.S. military services and allies; equivalent to a rad. One roentgen of exposure to gamma radiation results in an absorbed dose of approximately one cGy.
CENTRIFUGAL FORCE - Movable parts move outward due to projectile spin.
CERTSUB - Contact classified as certain submarine.
CHAFF - Call indicating chaff has been detected or to deploy chaff.
CHAIN - Made of die-lock or high strength welded steel stud links (studded links are those with a solid piece forged in the center).
CHAIN of COMMAND - The succession of commanding officers from a superior to a subordinate through which command is exercised. (Joint Pub l-02) Combatant command: One of the unified or specified combatant commands established by the President. (Joint Pub l-02).
CHAIN LOCKER - Space where the anchor chain is stowed.
CHAIN MARKINGS - Color coded detachable links, and adjacent links that allow quick determination of how much chain is payed out.
CHAIN PIPE - Opening on deck through which the anchor chain is passed to the chain locker.
CHAIN STOPPERS - Hold anchor taut in the hawse pipe; hold anchor when the chain is disconnected.
CHAIN STOPPER - Used to secure the chain and anchor.
CHAIN SWIVEL - A link attached on both ends; minimizes kinking or twisting of the anchor chain.
CHAFF - Lightweight strips of aluminum foil that reflect threat missile radar seekers.
CHALLENGE - Accomplished by the use of an interrogator unit; employs a challenge and reply technique to distinguish friendly platforms in a multi-target environment.
CHALKTEST - A simple means of determining if the gasket is in continuous contact with the knife-edge when a closure is dogged.
CHAMBER - Holds the propelling charge.
CHAMP - Carrier based ASW fixed wing aircraft capable of both search and attack.
CHAMPAGNE - An attack of three distinct groups with two in front and one behind.
CHANGING PORT/STARBOARD - Contact is altering course (port/starboard).
CHARLIE - Land aircraft.
CHARLIE (C) FIRES - Fires that occur in electrical wiring or equipment.
CHART - Naval name for a map that contains navigation information.
CHART NUMBER 1 - Identifies symbols and abbreviations used on navigational charts.
CHARTER - Activate daily changing call signs ordered for current period (or key card indicated) at (time indicated).
CHARTERED DEPTH - Depth of water from the reference plane to the bottom.
CHATTER - Communications jamming.
CHATTERMARK - Commence briefed radio procedures to counter communication jamming.
CHECK ( ) - Directive to momentarily monitor (specified items/systems). No response is required if status is normal.
CHECK PORT (LEFT)/STARBOARD(RIGHT) - Turn (x) degrees left/right and maintain new heading.
CHECK SQUAWK/FOUR - Ensure emitting current crypto period key setting.
CHECKSIGHT - Used to verify gun is pointed in a safe direction or is on target.
CHEMICAL AGENT POINT DETECTOR SYSTEM (CAPDS) - The CAPDS is a local sampling detection device. It is used to detect the presence of chemical agents in the air.
CHEMICAL AGENTS - Agents that produce harmful physiological reactions when applied to the body externally, inhaled, or swallowed. Most military chemical agents cause disorganization of the functioning of the body.
CHEMICAL AND BIOLOGICAL (CB) WARFARE - To deny entry or neutralize contamination so the mission of the ship can be carried out without endangering the life or health of assigned personnel.
CHEMICAL PROTECTIVE ENSEMBLE (CPE) - The combination of all individual chemical protective equipment including suit, boots, gloves, and mask.
CHEMICAL PROTECTIVE OVERGARMENT - The chemical protective overgarment (CPO) is made of material that is permeable to water vapor; that is, it allows the escape of moisture from perspiration. The function of the CPO is to protect the wearer from threat levels of chemical agents in liquid form and from the associated vapor.
CHEMICAL, BIOLOGICAL, AND RADIOLOGICAL (CBR) BOUNDARY - A physical barrier that isolates an area not protected against CBR contamination from an area that is protected against CBR contamination.
CHEMICAL, BIOLOGICAL, AND RADIOLOGICAL (CBR) DEFENSE BILL - The CBR Defense Bill constitutes the hull-specific application of doctrinal concepts and technical procedures.
CHICKS - Friendly aircraft.
CHIT - Refers to a letter, note, voucher or receipt.
CHOKING AGENTS - Choking agents, sometimes called lung irritants; primarily injure the respiratory tract, which includes the nose, the throat, and particularly the lungs where it causes pulmonary edema. In extreme cases, membranes swell, lungs become filled with liquid, and death results from lack of oxygen; thus, these agents choke an unprotected man. Fatalities of this type are known as "dry-land drownings."
CHOCKS - Heavy metal fittings with smooth surfaces and inward curving jaws through which mooring lines are led.
CHOP - Term used to describe when a ship transitions from one operational commander to another (INCHOP/OUTCHOP).
CHOPS - Term used to describe when the ship transitions from squadron to fleet commander.
CHOPPED - Wires from causeway secured to main deck (of LST) on launching have been chopped.
CHRONOMETER - A very accurate clock for measuring time. Used at sea to determine longitude.
CHRISTMAS TREE - Directive to briefly turn on exterior lights to enable visual acquisition.
CIC CONSOLES - Displays sensor information and is an input device to the computer.
CINDER - Off board infrared decoy.
CIPHER - UHF/HF voice encrypt/decrypt device.
CIRCLE WILLIAM - The material classification of openings and ventilation systems between the interior of the ship and the outside atmosphere that are secured to minimize the penetration of nuclear fallout, chemical agents, or biological agents.
CIRCLE XRAY - Fittings marked with a black X inside of a black circle. These modified closures are secured during conditions XRAY, YOKE, and ZEBRA.
CIRCLE YOKE - Fittings are marked with a black Y inside of a black circle. These modified fittings are secured during conditions YOKE and ZEBRA.
CIRCLE ZEBRA - Fittings are marked with a red Z inside a red circle. These modified fittings are secured during condition ZEBRA. CIRCLE ZEBRA fittings may be opened with the commanding officer's permission during prolonged periods of general quarters.
CIRCUIT - A means of two-way communication between two or more units.
CLAM - Cease all or indicated electromagnetic and/or acoustic emissions in accordance with national instructions and exercise orders. Potential intelligence collector(s) (PIC)
in area (or in area) (estimated duration of CLAM hours).
CLANKING - Cavitating or making machinery noise.
CLARA (maritime) - Radar scope is clear of contacts other than those known to be friendly. (air) Informative call indicating the radarscope is clear of enemy contacts ("BLUE 1, contact, BULLSEYE 270/20, BLUE 2, CLARA").
CLASSIFICATION - Original classification. The program manager determines what information in the program requires protection and to what level derivative classification - The document's drafter has included classified information that is discussed in one of the classification guides.
CLASSIFICATION LINE - Identifies the overall classification of the message.
CLEAN (maritime) - Broadcast is encrypted. May be used as a report or order and must be followed by a frequency or station designator. (air) No radar contacts on bandits, bogies or aircraft of interest. No visible battle damage. Aircraft not carrying external stores.
CLEARED - Requested action is authorized (no engaged or support roles are assumed).
CLEARED HOT - Ordnance release is authorized.
CLEARED DRY - Ordnance release is not authorized.
CLEARANCE - The administrative determination that a person is eligible for access to classified information CMS Custodian Responsible for the receipt, custody, accountability, and distribution of all COMSEC material (e.g., crypto equipment, key cards).
CLEAR HAWSE PENDANT - A strong pendant used to clear a hawse; usually consists of a wire rope tailed with 5 to 15 fathoms of chain and fitted with a pelican hook.
CLEARING CHARGE - Used during misfire procedures to clear a foul bore; uses a reduced size cartridge case for easy emergency handling.
CLEAT - Pair of projecting horns for securing a line.
CLIFF - Jamming signal.
CLOAK - Directive/informative switch from normal external lighting to covert NVD only compatible lighting.
CLOSE CONTROL - The aircraft is continuously controlled, for altitude, speed and heading, to a position from which the mission can be accomplished.
CLOSED CHOCKS - Chocks closed by a metal arch across the top .
CLOSED LOOP RADARS - Operates by tracking both the target and projectiles fired at the target.
CLOSURE SYSTEM - Protects the interior of the ship against the entry of aerosols and gases.
CLOSEST POINT of APPROACH (CPA) - Closest range that a maneuvering ship and reference ship will come to in respect to each other.
CLOWN - Deception jammer.
CLUTCH - Is a form of coupling that connects or disconnects the engine to the Main Reduction Gear (MRG) power train to rotate the propulsion shaft.
COASTAL CHARTS - Use scales between 1:150,000 and 1:50,000 and are normally used for navigation inside outlying reefs and shoals.
COBRA - ASW-torpedo with Gyro Angle Snake Search (GASS) facility.
COBRA LOOSE - ASW-torpedo with Gyro Angle Snake Search (GASS) released and running on heading x.
COCKROACH - Hostile biological attack, as designated (e.g. Warning Cockroach).
COFFERDAM - A protective space or shell surrounding a gasoline storage tank and filled with an inert gas, such as nitrogen or carbon dioxide.
COIL - Neat series of loops or circles, usually used for storing.
COHESION - Is the attraction between the molecules of a substance that tends to hold the substance together. Cohesion causes a liquid lubricant to hold together and enables it to resist breakdown under extreme pressure. Oil in the wedge must be cohesive so as to not breakdown under the pressure in the trailing edge of the oil wedge.
COLD WEATHER BILL - The Cold Weather Bill is used to prepare the ship for cold weather operations.
COLD (maritime) (air) - I have lost sonar contact or sonar contact is not held.
(a) Start of the CAP leg away from the threat.
(b) Low Attack geometry will result in a pass or roll out behind the target. Threat group heading away from fighters.
COLD PIPE - Stop snorkeling or I am not snorkeling.
COLD WORK - Operations that involve only inspections, cleaning, or minor repair where no hot work will be conducted. Examples are space inspections, spray painting, chemical cleaning, and the use of any strippers, thinners, paints, or cleaners that produce vapors.
COLLECTION, HOLDING, AND TRANSFER SYSTEM (CHT) - The system for handling sewage and wastewater.
COLLECTIVE PROTECTION SYSTEM (CPS) - A system of air locks, high-pressure fans, and high efficiency filters providing pressurized, filtered air to total protection (TP) zones and filtered air to limited protection (LP) zones. See TOTAL PROTECTION ZONE and LIMITED PROTECTION ZONE.
COLUMN FORMATION - A formation in which ships are formed in single file in the order of sequence numbers or call signs, with the line guide usually being the lead ship.
COLUMN OPEN ORDER - A line formation that is utilized in formation steaming due to ships being able to communicate visually with each other easier as a result of their bearing to the guide.
COMBAT AIR PATROL - Used to relay requirements to CAP units, receive and process data, EEIs include target location, time on station requirements, rules of engagement, fuel requirements, and other CAP related data.
COMBAT INFORMATION - Unevaluated data, gathered by or provided directly to the tactical commander which, due to its highly perishable nature or the criticality of the situation, cannot be processed into tactical intelligence in time to satisfy the user's tactical
intelligence requirements. (Joint Pub l-02).
COMBAT DIRECTION SYSTEM - Tactical computer, display and switching system used for rapidly collecting, evaluating, integrating, displaying, and disseminating tactical environment information.
COMBATANT COMMAND (command authority) - Non-transferable command authority established by title 10, United States Code, section 164, exercised only by commanders of unified or specified combatant commands unless otherwise directed by the President or the Secretary of Defense. Combatant command (command authority) is the authority of a combatant commander to perform those functions of command over assigned forces involving organizing and employing commands and forces, assigning tasks, designating objectives, and giving authoritative direction over all aspects of military operations, joint training, and logistics necessary to accomplish the missions assigned to the command. Also called COCOM. (Joint Pub 1-02).
COMBATANT COMMANDER - A commander in chief of one of the unified or specified combatant commands established by the President. (Joint Pub l-02).
COMBINATION BUOY - Pillar buoy that combines light and sound or fog signals.
COMBUSTIBLE LIQUIDS - Any liquid having a flash point at or above 37.8°C (100°F) comfort of personnel.
COMBUSTION - The burning of fuel in a chemical process accompanied by the evolution of light and heat.
COMBUSTION - A rapid chemical reaction that releases energy in the form of light and noticeable heat. Most combustion involves rapid OXIDATION, which is the chemical reaction by which oxygen combines chemically with the elements of the burning substance.
COMDAC SOFTWARE - May be used for situational awareness only; capabilities include complete voyage planning, PIM calculations, day and night displays, global positioning system datum conversion, tide and current displays, radar chart mapping overlays, man overboard functions, and target tracking.
COMEBACK (LEFT/RIGHT) - Directive to reverse course.
COMEOFF (LEFT/RIGHT/LOW/ HIGH) - A directive to maneuver as indicated to either regain mutual support or to deconflict flight paths for an exchange of engaged and supporting roles. Implies both visual and tally.
COMING LEFT/RIGHT - ASW-unit is altering course in direction indicated. (to course indicated).
COMMAND - 1. The authority that a commander in the Armed Forces lawfully exercises over subordinates by virtue of rank or assignment. Command includes the authority and responsibility for effectively using available resources and for planning the employment of, organizing, directing, coordinating, and controlling military forces for the accomplishment of assigned missions. It also includes responsibility for health, welfare, morale, and discipline of assigned personnel. 2. An order given by a commander; that is, the will of the commander expressed for the purpose of bringing about a particular action. 3. A unit or units, an organization, or an area under the command of one individual. (Joint Pub I-02).
COMMAND and CONTROL - The exercise of authority and direction by a properly designated commander over assigned and attached forces in the accomplishment of the mission. Command and control functions are performed through an arrangement of personnel, equipment, communications, facilities, and procedures employed by a commander in planning, directing, coordinating, and controlling forces and operations in the accomplishment of the mission. (JCS/J7/Joint Doctrine Division memo dtd 20 Oct 94).
COMMAND and CONTROL SYSTEM - The facilities, equipment, communications, procedures, and personnel essential to a commander for planning, directing, and controlling operations of assigned forces pursuant to the missions assigned. (Joint Pub l-02).
COMMAND and CONTROL WARFARE - The integrated use of operations security (OPSEC), military deception, psychological operations (PSYOP), electronic warfare (EW), and physical destruction, mutually supported by intelligence, to deny information to, influence, degrade, or destroy adversary command and control capabilities, while protecting friendly command and control capabilities against such actions. Command and control warfare applies across the operational continuum and at all levels of conflict. Also called C2W. C2W is both offensive and defensive: a. counter-C2-To prevent effective C2 of adversary forces by denying information to, influencing, degrading, or destroying the adversary C2 system. b. C2 protection-To maintain effective command and control of own forces by turning to friendly advantage or negating adversary efforts to deny information to, influence, degrade, or destroy the friendly C2 system. (Joint Pub l-02).
COMMAND ASSESSMENT of READINESS and TRAINING (CART) - A basic assessment of training proficiencies and weaknesses.
COMMAND DETONATION FUSES - Allows positive control of warhead detonation. The weapon explodes upon receipt of a signal from the firing unit.
COMMAND'S EFFECTIVE INSTRUCTIONS (5215 Instructions) - A listing of all of the ship's effective instructions, who is in charge of maintaining and updating them, and how often it needs to be done.
COMMAND GUIDANCE - Depends on radar or radio control links between the control point and the in-flight missile.
COMMAND'S RECURRING REPORTS (5214 Instructions) - Provides a consolidated list of the ship's administrative and operational reports requiring periodic update and the procedures for preparing them.
COMMANDING OFFICER (CO) - Officer charged with the absolute responsibility for the safety, well-being, and efficiency of the ship.
COMMENCING - I have left final approach fix on an instrument approach for landing.
COMMIT(TED) (Bullseye position) - Directive/informative call indicating the intention to conduct an intercept against bogey(s)/ bandit(s).
COMPARTMENT AIR TEST - A test of watertight compartments using compressed air.
COMPARTMENT CHECK-OFF LIST - Provides an itemized listing of all classified fittings and closures used in damage control to set the specified material condition of readiness.
COMPASS - Refers to the compass card's axis.
COMPASS ERROR - Combined effect of variation and deviation.
COMPETENCY for DUTY EXAMINATIONS - Evaluation by medical personnel conducted to detect the use of illegal substances when there is reason to suspect a military member is illegally under the influence of a controlled substance or alcohol while on duty (violation of Uniform Code of Military Justice Article 112).
COMPLETE DECK - A deck that extends from side to side and stem to stern.
COMPRESSION - The process of compressing the fuel mixture in a cylinder of an internal combustion engine. During the refrigeration cycle, the refrigerant is compressed inside the compressor from a low-pressure, low-temperature vapor to a high-pressure vapor, and its temperature rises accordingly.
COMPROMISE - The unauthorized disclosure of classified information to a person(s) who does not have a valid clearance, authorized access or a need-to-know.
COMPUTER - Digital device that solves the gunfire control problem.
COMPTUEX - Each Carrier Battle Group performs a rehearsal called Composite Training Unit Exercise (COMPTUEX) before departing for a six-month deployment. Over the previous several months, each ship and aircraft in the battle group has trained in its specialty. COMPTUEX brings ships together to project force as a battle group. COMPTUEX is an intermediate-level battle group exercise designed to forge the battle group into a cohesive, fighting team. It's a critical step in the pre-deployment training cycle and a prerequisite for the battle group's Joint Task Force Exercise.
COMPUTER - The most important piece of equipment in any tactical data system; performs functions of processing and storing information.
COMPUTED RANGE - Distance a light can be seen in perfect visibility.
COMPUTED VISIBILITY - Visibility determined for a light using the light's height, nominal range, and observer's eye height.
CONCENTRATION - The quantity of a substance per unit volume. Examples of concentration units are milligrams per cubic meter (mg/m3); parts per million (ppm) for vapors, gases, fumes, or dusts; fibers per cubic centimeter (fibers/cc) for vapors or gases.
CONDENSATION - The change from a gaseous (or vapor) state to a liquid state. The process of cooling a vapor resulting in a change to a liquid state. The process of cooling the freshwater vapor produced by evaporation to produce usable freshwater. Condensation is the second half of the process of distillation.
CONDITION HAIRY - An alerting signal meaning all units may be required to prosecute an unidentified submarine contact.
CONDUCTION - Transfer of heat through a body or from one body to another by direct physical contact.
CONDUCTION - Heat transfer by actual contact between substances or from molecule to molecule within a substance.
CONDUCTOR - A material with a large number of free electrons. A material which easily permits electrical current to flow.
CONFETTI - Chaff lane or corridor.
CONFIDENCE - Confidence indication to intercepted transmission.
CONFIDENTIAL - A security classification that provides some protection.
CONFINED SPACE - A space which has restricted openings for entry and exit and in which hazardous contaminants could be expected to be produced but not removed by ventilation; or in which oxygen could be expected to be depleted or enriched.
CONFIRM - Verify the existence of the contact designated.
CONFIRMED COMPROMISE - Confirmation that a compromise of classified material has taken place.
Contraband Inspection - An inspection where one tries to locate and confiscate unlawful weapons and other contraband.
CONS/CONNING - Aircraft leaving contrails.
CONGRESSIONAL REQUESTS - A request for a congressional inquiry into matters that a member feels needs to be answered. Navy service members, members of their families,civilian employees, or anyone else may ask their elected officials to help them with a matter involving them and/or the Department of the Navy.
CONTACT (air) (maritime) - 1. Informative call of radar/IR detection of an aircraft. Call should include bearing, range and altitude (BRA) in reference to Bullseye or geographic position format. 2. Acknowledges sighting of a specified reference point Initial and subsequent detection's of any object obtained by any detecting device.
CONTACT FUSES - Detonates on contact or after a short delay.
CONTACT HAZARD - A skin hazard that exists when exposure to a chemical or biological agent can result from touching a contaminated surface.
CONTACT POSITION - Receiver position where the receptacle of the aircraft makes contact with the drogue or boom.
CONTAMINANT - A material or agent that is foreign to a specified or desired condition or circumstance.
CONTAMINATION CONCENTRATION - Amount of a chemical agent vapor or aerosol present in a unit volume of air; usually expressed in milligrams per cubic meter (mg/m3).
CONTAMINATION CONTROL AREA (CCA) - The CCA is used to control access to the ship of all personnel exposed to the weather during or after a chemical, biological, and radiological attack.
CONTAMINATION CONTROL - Procedures to avoid, reduce, remove, or render harmless, temporarily or permanently, biological, chemical, or radiological contamination for the purpose of maintaining or enhancing the efficient conduct of military operations.
CONTAMINATION DENSITY - Amount of liquid or solid agent in a unit area; usually expressed in milligrams or grams per square meter (mg/M2 or g/M2).
CONTAMINATION - The deposition on and absorption of biological or chemical agents or radioactive material by shipboard structures, areas, personnel, or equipment; the presence of chemical or biological agents in the air in the form of vapors (chemical) or aerosols (chemical or biological).
CONTIGUOUS ZONE - A zone of the ocean extending from 3-12 nm from the U.S. coastline.
CONTINUE - Continue present maneuver, does not imply clearance to engage or expend ordnance.
CONTINUE DRY - Continue present maneuver, ordnance release not authorized.
CONTINUE PORT/LEFT - Continue turning left at present rate of turn to magnetic heading indicated (3 figures) or continue turning left for number of degrees indicated.
CONTINUE STBD/RIGHT - Continue turning right at present rate of turn to magnetic heading indicated (3 figures) or continue turning right for the number of degrees indicated.
CONTINUOUS AIM CORRECTION (CAC) - Utilized to continuously direct a stream of projectiles to the target throughout the firing period.
CONTROL - Authority which may be less than full command exercised by a commander over part of the activities of subordinate or other organizations. (Joint Pub l-02).
CONTROL - The unit designated as EWC.
CONTROL AIR SUPPLY - Clean, dry air at proper pressure for operation of pneumatic control equipment.
CONTROL FAILURE - Prevents orders from the guidance system from being followed; the weapon is unable to adjust its flight path to achieve target intercept.
CONTROL SECTION - Consists of movable actuators and external surfaces that adjust the flight path.
CONTROL SEGMENT - Consists of ground stations that ensure satellites are working properly.
CONTROL SHIP - The unit guide for UNREP and usually delivers the product.
CONTROLLED VARIABLE TIME-RADIO FREQUENCY (CVT-RF) - Provides an adjustable arming time feature that prevents the fuse from arming until a few seconds before set time.
CONUS - Continental United States; also may be referred to as Contiguous US.
CONVALESCENT LEAVE - Administrative leave granted to pregnant service members after delivery of a child.
CONVECTION - The transmission of heat by the circulation of a liquid or a gas such as air. Convection may be forced by use of a pump or fan, or it may occur naturally due to heated air or liquid rising and forcing the colder air or liquid downward.
CONVECTION - Transfer of heat through the motion of circulating liquids or gases such as air. Convection may be forced by use of a pump or fan, or it may occur naturally due to heated air or liquid rising and forcing the colder air or liquid downward.
CONVENTIONAL DECONTAMINATION (DECON) STATION - Conventional decontamination stations generally have saltwater nozzles in the shower stalls in addition to freshwater nozzles. Large ships may have additional saltwater decontamination stations. Multiple decon stations and the availability of both salt and fresh water provide for working around contaminated areas and battle-damaged areas.
COOPERATIVE ENGAGEMENT CAPABILITY - System of hardware and software that allows sharing air target radar data among ships, line-of-site data distribution system, results in all units seeing the same radar picture, allows a ship to engage a threat aircraft or cruise missile using radar data from another ship.
CORE - Element around which strands are laid to form the wire rope; may be of hard fiber, such as manila, hemp, plastic, paper, or sisal.
CORPEN - A wheeling movement whereby a formation course is changed without altering the arrangement of ships.
CORPSMEN - Provide first?aid services to the rig crew.
CORRECT CASREP (CASCOR) - Submitted when equipment, which has been the subject of casualty reporting, is repaired and returned to operational condition.
CORROSIVE - Any hazardous material that will cause severe tissue damage by chemical action or materially damage surfaces or cause a fire when in contact with organic material or certain other chemicals.
CORROSIVE MATERIAL - A solid, liquid, or gas that degrades other substances (especially metals) through chemical action. It can burn, irritate, or destructively attack organic tissue.
COUNTDOWN - I am about to open fire within ____ seconds.
COUNTER-RECOIL SYSTEM - Returns the gun to battery after firing; pressurized nitrogen drives counter-recoil pistons forward to put the gun barrel housing back to in-battery position.
COUNTERMARKER - A unit maintaining contact on a marker from a position which enables it to counter the threat presented by the marker.
COUNTERMEASURES WASHDOWN (CMWD) SYSTEM - A dry-pipe sprinkler system that provides a moving screen of seawater over the weather surfaces of the ship. The flowing water carries away most of the liquid and solid contaminants that fall on the decks or bulkheads.
COUPLING - A device that secures shafting together in a manner to permit disassembly whenever necessary.
COURSE MADE GOOD (CMG) - Single resultant direction from a given point of departure to a subsequent position; the net direction of movement from one point to another.
COURSE OVER GROUND/SPEED OVER GROUND (COG/SOG) - Actual path and speed of a vessel with respect to the earth; will not be a straight line if the vessel's heading varies as she yaws back and forth across the course.
COVEC - A procedure for passing reports of positions on uncovered circuits.
COVER - Keep fighters between force/base and contact designated at distance stated from force/base(e.g. Cover hostile 27 to 30 miles). An order from the AAWC to a MRSAM/LRSAM equipped ship to initiate an engagement on specified track up to but not including the point of firing. This procedure allows a track to be designated to more than one firing unit without multi-engagement of the track. Directive/informative to take surface-to-air action or establish an air-to-air posture that will allow engagement of a specified target or threat.
COWBOY(s) - Ship(s) of search attack unit (SAU).
CPS DECONTAMINATION STATION - Four-compartment decon station with access to the weather deck in each TP zone.
CRACKERS - Sound Underwater Signal (SUS) or Practice Depth Charge (PDC) explosives.
CRANK (direction) - Directive/descriptive call indicating an F/A-Pole maneuver in a specific direction (RED 1, crank south).
CRASH START - Start main engines and get underway as quickly as possible.
CREEP - Movable parts move forward as the projectile slows down; often used to align the fuse-firing mechanism so that it functions on impact.
CRISS CROSS - A position or track derived from the plotting of DF bearings.
CROSS-LEVEL - Vertical movement of the deck plane within a plane perpendicular to the plane containing the line of sight.
CROWN - Anchor's base.
CRUISE - Informative or directive call to return to cruise speed (after buster or gate).
CUCKOO - Hostile jamming transmitter.
CURVE - Deception signal.
CURRENT LEGAL WILL - A legal document outlining any specific wishes regarding how the service member's property should be distributed upon death.
CURRENT TRIANGLE - Graphic representation known as a vector diagram where one side represents the ship's course and speed, the second side set and drift, and the third course and speed made good (CMG/SMG).
CUT - Stop main engines.
CUTOFF - Directive to intercept using cut-off geometry.
CYCLE SCHEDULE - Displays the planned maintenance requirements to be performed during the period between major overhauls/yard periods of ships undergoing phased maintenance.
CYCLOPS - Unmanned Aerial Vehicle.
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