Oscar Mike to the glossary. Copy that.
A tight formation of soldiers lined up single-file against a wall, preparing to breach a room or building. It's basically tactical spooning with body armor and loaded weapons.
A group that simulates enemy tactics, techniques, and procedures to test security measures and identify vulnerabilities. Essentially, these are the people paid to think like terrorists and break into your base.
Describing someone or something that's highly efficient, competent, and performs at peak level. The military's way of saying 'actually good at their job' without getting too emotional about it.
Slang for the U.S. Air Force, based on their blue uniforms. Used primarily by other service branches with varying degrees of affection and mockery—mostly mockery.
Short for 'higher headquarters,' referring to command levels above your unit. The mystical realm where decisions are made by people who definitely don't understand your ground truth.
Short for Gunnery Sergeant in the Marine Corps, typically the senior enlisted advisor to a company commander. The person who actually runs things while officers figure out what they want.
A scheduled period of duty, particularly aboard ships or in security operations. Borrowed from nautical tradition, it's why military personnel measure their lives in four-hour increments of consciousness.
Affectionate or mocking term for artillery personnel, particularly those who serve on howitzer crews. They make things explode from far away and have the hearing loss to prove it.
Non-airborne qualified soldier in the Army, used by paratroopers with barely concealed condescension. Because if you haven't jumped out of a perfectly good aircraft, you're clearly inferior.
Command to immediately cease firing weapons, often issued to prevent fratricide or civilian casualties. The phrase that turns chaos into silence faster than anything else in combat.
Military acronym for "Bend Over Manchu, Here It Comes Again"—a variation of BOHICA used by U.S. soldiers stationed at Camp Hovey in Korea. Refers to the special kind of repetitive misery that comes with military assignments, now with geographically-specific flavor.
The excruciating experience of sitting through endless, poorly designed slide presentations that drain the will to live. A modern form of torture perfected in military briefing rooms.
Not a jargon term per se, but a satirical military news publication that parodies defense news and military culture. The military equivalent of The Onion.
A counterinsurgency approach where forces secure small areas and gradually expand control outward like ink spreading on paper. Focuses on population centers rather than terrain.
Navy and Marine Corps term for liberty, or authorized absence from duty. Basically, getting off the ship or base to enjoy civilization, however briefly.
Mission, Enemy, Terrain and weather, Troops and support available, Time available, Civil considerations—the six factors commanders analyze during tactical planning. A mental checklist ensuring nothing critical gets forgotten.
Standing or moving in extremely close formation, literally close enough that one person's crotch is near the person in front's rear. Used in cramped spaces or when maintaining contact in darkness.
Operational tempo—the pace and intensity of military operations and activities. High op tempo means constant missions with little downtime, inevitably leading to exhausted personnel.
A specific method of tightly rolling clothing into compact cylinders for efficient packing, named after Army Rangers but taught across services. Makes maximum use of limited space in rucksacks.
The practice of mixing experienced personnel with new troops, or alternating elements to distribute capability. Ensures every team has a veteran who theoretically knows what's happening.
Slang for interpreter or translator, specifically local nationals hired to bridge language barriers during operations. Often risking their lives to help foreign forces in their homeland.
A spreadsheet or database used to monitor personnel, equipment, training, or other military requirements. The bane of every staff officer's existence, requiring constant updates.
A Navy and Coast Guard tradition where newly promoted officers host a party to celebrate their advancement, traditionally 'wetting down' their new rank insignia with alcohol. An excuse for a party with historical roots.
Mission planning checkpoints or milestones that must be met before proceeding to the next phase of an operation. Like waypoints but with implied approval gates attached.