Pentagon
Headquarters of the U.S. Department of Defense and a five-sided concrete and steel symbol of America’s military strength.
port and starboard
When standing on the bridge of a ship looking toward the bow (front of the ship), port refers to the left side, starboard refers to the right side of the ship.
port and starboard watches (6&6)
50% of time on duty 50% off duty, 6 hours on 6 hours off.
POTUS
President of the United States
p-way
A passageway or a hall.
radar (AN/SPY-1)
 A key component of the AEGIS Combat Systems is an advanced, automatic detect and track, multifunctional phased-array radar. AN/SPY-1 (Army Navy Joint Electronics Type Designation System / S - Water (surface ship), P - Radar, Y - Surveillance (target detecting and tracking) and Control (fire and/or air control), model number).
roll FIS green
The command given to initiate the process of engaging the Fire Inhibit Switch (FIS) to arm missiles and allow their firing.
salvo
The simultaneous discharge of artillery or firearms either to hit a target or to perform a salute.
SECDEF
The Secretary of Defense.
SWO
Surface Warfare Officer
UNREP
UNderway REPlenishment is a method of transferring fuel, munitions, and stores from one ship to another while under way.
vampire
Hostile antiship missile (ASM).
VBSS
Visit, Board, Search, & Seizure are procedures by which forces conduct boardings and searches in order to determine the true character/nature of vessels, cargo, and passengers.
wardroom
Wardroom has three possible meanings. It refers to the officers mess area, or the entire living quarters of a ship designated for the commissioned officers other than the captain, or the commissioned officers of a ship collectively, excluding the captain.
Naval Terminology
bandit
An aircraft identified as enemy, in accordance with theater ID criteria. The term does not necessarily imply direction or authority to engage.
bird
Friendly surface-to-air missile (SAM).
bird(s) affirm
Surface-to-air (S/A) informative call indicating unit is able and prepared to engage a specified target with SAMs (presumes target is within or will enter the SAM engagement envelope).
bird(s) away
Friendly SAM has been fired at designated target.
blue water
Deep water far from land where only large, self-sufficient ships can operate. Also known as the "high seas".
bridge
The bridge of a ship is the location from which the ship can be commanded.
Bravo Zulu (BZ)
The last signal on the 'administrative' page of the Allied Tactical Publication 1 (ATP 1), an Allied maritime tactical signals publication, standing for "well done."
Central Control Station (CCS)
Central Control Station is the nerve center of the DDG-51 Class engineering plant.
Circle WILLIAM
These fittings are normally open but are secured for protection in CBR attack. Fittings that are marked with this classification are those that provide ventilation opening to the outside of the ship. Circle WILLIAM fittings are marked with a black W surrounded by a black circle.
Combat Information Center (CIC)
CIC is a place for the evaluation of all available information by trained personnel, to be quickly disseminated to the flag and commanding officers, to other control stations over interior communication circuits, and to other ships and aircraft via external communication facilities. more...
CBR
Chemical, Biological, or Radiological more...
Personal Protective Gear consists of protective mask and carrier, over garments, gloves, and overboots.
EMCON
Emission control (EMCON) is the management of electromagnetic and acoustic emissions. EMCON is used to prevent an enemy from detecting, identifying, and locating friendly forces.
Fraternization
Personal relationships between personnel that are unduly familiar and do not respect the differences in grade or rank. Such relationships are prejudicial to good order and discipline and violative of service tradition. Conduct is prejudicial to good order and discipline if it calls into question the senior’s objectivity, results in actual or an appearance of preferential treatment, undermines the senior’s authority and compromises the chain of command.
General Quarters (GQ)
General Quarters or Battle Stations is an announcement made aboard a naval warship to signal the crew to prepare for battle or imminent damage. When the call to General Quarters (GQ) is announced, the crew prepares the ship to join battle. Off-duty or sleeping crewmembers report to their stations and prepare for action, watertight doors and fireproof doors between bulkheads are shut and security is increased around sensitive areas, such as the bridge and engineering rooms.
Gitmo or GTMO
Guantanamo Bay Naval Base. The base is on the shore of Guantánamo Bay at the southeastern end of Cuba. The United States obtained a lease for use as a coaling and naval station in the Cuban–American Treaty of 1903.
halon
Fire extinguisher that has the ability to extinguish fire without the production of residues that could damage assets being protected.
hangar bay
A hangar bay is a closed structure to hold aircraft in protective storage.
kill track
A track is and aircraft, boat, submarine, etc. and must be identified as a friend or a threat by CIC. There are requests from CIC to Kill Track and authorizations CIC to Kill Track.
messdeck
An area aboard ship where sailors eat. At sea aboard naval vessels, messing is still separate, with E-6 and below utilizing the ship's mess decks, E-7 through E-9 utilizing the ship's CPO Mess, and commissioned officers being part of the wardroom. Many ships also include a First Class Mess for E-6. This is considered a chance for future CPOs to learn how to be a part of a mess before they enter the "goat locker."
Prairie/Masker Air
Prairie-Masker is used during both active and passive undersea warfare operations. The Prairie air system supplies air along the propeller blade leading edge to reduce the hydrodynamic noise originating at the propeller. Masker air forms an air bubble screen around the hull of the ship, reducing transmission of machinery noise to the surrounding waters.
OOC
Out Of Commission
RHIB or RIB
11-meter-long Naval Special Warfare Rigid Hull Inflatable Boats constructed of composites with an inflatable tube gunwale made of reinforced fabric. They can operate in heavy seas and winds of 45 knots. The Navy VBSS variant includes a lifting bail for launch and retrieval.
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