ABM: Anti-ballistic missile
ACINT: Acoustic Intelligence
ADC: Acoustic device countermeasure
Aegis: A U.S. Navy integrated air-defense system built around the SPY-1 radar fitted on Ticonderoga-class cruisers and Burke-class destroyers. Built by the USA, the Aegis system has now been fitted to ships of the Japanese and Spanish navies.
AOR: Area of responsibility
AIS: Automatic Identification System
ASAP: As soon as possible
ASDS: Advanced SEAL Delivery System
ASEAN: Association of Southeast Asian Nations
ASW: Anti-submarine warfare
ATT: Anti-torpedo torpedo. Small defensive torpedoes designed to home in on another torpedo and destroy it.
APR-2E: Russian-built rocket-propelled anti-submarine torpedo
BMD: Ballistic Missile Defense
B61: U.S. Air Force tactical nuclear bomb
CCP: Chinese Communist Party
CDO: Command duty officer
CIA: Central Intelligence Agency
CIC: Combat Information Center
CJ-10: Chinese long-range land attack cruise missile
CJCS: Chairman of the Joint Chiefs of Staff
Class: Ships built to the same design are said to be in the same “class,” usually named after the first unit of the class to be built (e.g., USS Arleigh Burke), or after a design number (e.g., Type 052, Project 956).
CMC: Central Military Commission
CNN: Cable News Network
CNO: Chief of Naval Operations
CO: Commanding officer
COB: Chief of the boat
COMINT: Communications Intelligence
Commo: U.S. Navy slang for communications officer
COMSUBPAC: Commander, Submarine Force, U.S. Pacific Fleet
CPA: Closest point of approach
CSO: Chief staff officer
CT: Cryptologic Technician
Corvette: A warship smaller than a frigate with its weapons and sensors chosen to support a single mission, usually anti-submarine or anti-surface warfare
DARPA: Defense Advanced Research Projects Agency
DCI: Director of Central Intelligence. The head of the Central Intelligence Agency.
Destroyer: A general-purpose warship designed to screen larger, more vulnerable warships from attack. Destroyers that carry long-range anti-aircraft missiles, capable of protecting a group of ships, are called “guided-missile destroyers.”
DEVRON: Development Squadron
DF-21: Dong-Feng (East Wind) 21, a Chinese medium-range ballistic missile.
DDG: Guided missile destroyer
DEFCON: Defense Condition
DNI: Director of National Intelligence. Head of the U.S. intelligence community.
DoD: Department of Defense
DRDO: Defense Research and Development Organisation
DTRA: Defense Threat Reduction Agency
DWT: Deadweight tonnage
EEZ: Economic exclusion zone
ELINT: Electronics Intelligence
Eng: U.S. Navy slang for engineer
EP-3: A variant of the U.S. Navy P-3 Orion maritime patrol aircraft fitted to do electronic intelligence reconnaissance
EPRIB: Emergency Position Indicating Radio Beacon
ESM: Electronic support measures. Electronic receivers that can detect radar transmissions, providing their direction and type.
F-2: A Japanese-designed and -built single-seat, single-engine fighter, looking like a slightly enlarged F-16. It first entered service in 2000.
Frigate: An escort vessel, smaller than a destroyer, with a more limited weapons and sensor suite. It is usually optimized for only one or two missions, e.g., anti-submarine or anti-surface warfare.
GEnie: General Electric Network for Information Exchange. An online service that ran from 1985 through 1999.
GPS: Global positioning system
Goat Locker: U.S. Navy slang for the living areas of a ship reserved exclusively for chief petty officers. Also used to refer to a ship’s chief petty officers as a collective group.
GRT: Gross registered tons
Helo: U.S. Navy slang for helicopter
HUMINT: Human Intelligence
HUMVEE: Slang for the High Mobility Multipurpose Wheeled Vehicle (HMMWV), a four-wheel drive military automobile
IRBM: Intermediate Range Ballistic Missile
IRGC: Islamic Revolutionary Guards Corps, aka Pasdaran
ISR: Intelligence, Surveillance, and Reconnaissance
IT: Information technician
JASDF: Japanese Air Self-Defense Force. The name of the Japanese Air Force.
JCS: Joint Chiefs of Staff
Japanese honorifics: In the Japanese language, a suffix is almost always attached to a person’s name, usually indicating their status relative to the speaker. The most common is -san, e.g., Komamura-san, roughly equivalent to “Mr.” or “Ms.” in English. This is even used between married couples. If the speaker then learned that Komamura-san was a college professor, he could then address him as “Komamura-sensei” which is the title for a teacher or expert. Similar titles exist for shopkeepers, doctors, etc. Use of the suffix with a person’s given name or nickname, e.g., Sajin-sensei, denotes more familiarity. The -chan suffix is a term of endearment, often used for women younger than the speaker (typically used by a parent or older relative), especially for children. It can be used with either the family or given name.
JMSDF: Japanese Maritime Self-Defense Force. The name of the Japanese Navy.
Kh-31P: Supersonic, radar-homing missile launched by aircraft. Originally built by Russia, China now produces them as the YJ-91.
LPD: Landing platform dock. A type of amphibious assault ship.
LPO: Leading petty officer
Mark 48 ADCAP: U.S. heavyweight, multipurpose torpedo with advanced capability. Launched by submarines.
MCIA: Marine Corps Intelligence Activity
MDM-6: Russian multiple influence (pressure, acoustic, and magnetic) bottom mine
MG-24: Russian submarine-deployed acoustic countermeasure
MG-84: Russian submarine-launched mobile decoy
MG-519: Russian mine-hunting sonar on many of their submarines, also known by the NATO nickname “Mouse Squeak”
MOX: Mixed oxide. A nuclear reactor fuel that uses both enriched uranium and weapons-grade plutonium.
MPA: Maritime patrol aircraft
NAE: Naval acoustic electromechanical. An older type of torpedo decoy that generates noise mechanically.
NATO: North Atlantic Treaty Organization
NMJIC: National Military Joint Intelligence Center
NORAD: North American Aerospace Defense Command
NSC: National Security Council
OOD: Officer of the deck
OPREP-3: U.S. Navy message format used to inform a senior authority of an incident that is of national-level interest.
ONI: Office of Naval Intelligence
ONR: Office of Naval Research
OPLAN: Operations plan
OPS: Operations officer
PAC-2/PAC-3: Versions of the U.S. Patriot surface-to-air missile. While the PAC-2 has some ballistic missile defense capabilities, the PAC-3 was specifically designed for this role.
PACOM: Pacific Command
PACFLT: Pacific Fleet
PAL: Permissive Action Link
PCO: Prospective commanding officer
PLA: People’s Liberation Army. This can refer to all the Chinese armed forces, or just the ground force component of the armed forces.
PLAAF: People’s Liberation Army Air Force. The air component of the Chinese armed forces.
PLAN: People’s Liberation Army Navy. The naval component of the Chinese armed forces.
PRC: People’s Republic of China
RPM: Rotations per minute
ROE: Rules of engagement
ROK: Republic of Korea. South Korea’s official name.
SATCOM: Satellite communications
SINOPEC: China Petrochemical Corporation
SITREP: Situation report
SEAL: Sea, Air, Land. U.S. Navy Special Forces
Second Artillery Corps: A separate service within the People’s Liberation Army responsible for the ballistic missile forces, both nuclear and conventional
SECDEF: Secretary of defense
SECSTATE: Secretary of state
Sierra: A U.S. Navy designation indicating that a contact was detected and is being tracked by a sonar system
SIGINT: Signals Intelligence
Skat-3: Main sonar suite on Akula classes of SSNs. Also known by the NATO nickname “Shark Gill.”
SM-3: Standard missile 3, part of the U.S. Navy ballistic missile defense system.
SPY-1: This radar is used with the Aegis air-defense system. It uses four non-rotating “phased array” radar antennas, one on each side of the ship’s superstructure.
SSGN: U.S. Navy type designation for cruise missile carrying submarine with nuclear propulsion
SSN: U.S. Navy type designation for an attack submarine with nuclear propulsion.
SUBRON: Submarine squadron
SVP: Sound velocity profile. A graph showing the speed of sound in water as a function of depth. A sharp change indicates the presence of a thermocline.
SWAG: Scientific Wild Ass Guess
TB-33: A fully digital, fiberoptic long towed array.
TB-34: A fully digital, fiberoptic short towed array.
Thermocline: Also called a “layer,” it is a sharp change in water temperature that will reflect sound at certain angles
TSA: Transportation Security Administration
UGST: Universal deep-homing torpedo. A Russian heavyweight, multipurpose torpedo launched from submarines.
UN: United Nations
UAV: Unmanned air vehicle
UCMJ: Uniform Code of Military Justice
UUV: Unmanned underwater vehicle
VLCC: Very large crude carrier. A subset of supertankers.
VLSD: Vertical large screen display
VTC: Video teleconference
WLY-1: U.S. submarine acoustic intercept receiver. It detects and analyzes active sonar emissions.
XO: Executive officer, second in command of a warship
Y-8: Chinese maritime patrol aircraft
Yu-6: Chinese heavyweight, multipurpose torpedo. Launched by submarines, it is a copy of the U.S. Mark 48.
Yu-7: Chinese lightweight, anti-submarine torpedo. Launched from aircraft and surface ships, it is a copy of the U.S. Mark 46 torpedo.
YJ-83: Ying Ji (Eagle Strike) 83, a Chinese anti-ship cruise missile
1MC: General announcing circuit, shipwide public address system
3M-14E: A subsonic, land-attack cruise missile offered by Russia as part of the Klub system for export ships and submarines