USAF and Joint Operational Brevity Words
| ABORT | —Directive call to cease action, attack, event, or mission. | 
| ACTION | —Directive call to initiate a briefed attack sequence or maneuver. | 
| ACTIVE | (system) ACTIVE (location/direction) —Referenced emitter is radiating at the stated location or along the stated bearing. | 
| ADD | (system/category) —Directive call to add a specific system or electronic order of battle (EOB) category to search responsibilities. | 
| AJAX | —Landing zone/pick up zone is clear of threats. | 
| ALARM | —Directive or informative call indicating the termination of EMCON procedures. | 
| ALLIGATOR | —LINK-11/ TADIL-A. | 
| ALPHA CHECK | —Request for confirmation of bearing and range from ownship to described point. | 
| ANCHORED | ANCHORED (w/location) —Informative call to indicate a turning engagement at the | 
| ANCHOR | —Orbit about a specific point; refueling track flown by tanker. | 
| ANGELS | —Height of friendly aircraft in thousands of feet mean sea level (MSL). | 
| ARIZONA | —No ARM ordnance remaining. | 
| ARM | —Element resulting from target maneuvers exceeding GROUP criteria. | 
| ARM/ARMED (SAFE/HOT) | —Select armament (safe/hot) or armament is safe/hot. | 
| AS FRAGGED | —Unit or element will be performing exactly as stated by the air tasking order (ATO). | 
| ATTACKING | —Indicates air-to-surface (A/S) attack on a specific ground target. | 
| AUTHENTICATE | —To request or provide a response to a coded challenge. | 
| AUTOCAT | —Any communications relay using automatic retransmissions. | 
| AWAY | (weapon) AWAY —Release/launch of specified weapon. | 
| AZIMUTH | AZIMUTH—A picture label describing two groups separated laterally. | 
| BANDIT | —An aircraft identified as an enemy IAW theater identification criteria. The term does not necessarily imply direction or authority to engage. | 
| BANZAI | —Informative or directive call to execute launch-and-decide tactics. | 
| BASE | —Reference number used to indicate such information as headings, altitudes, and fuels. | 
| BEAD WINDOW | —Last transmission potentially disclosed unauthorized information. | 
| BEAM | BEAM (w/cardinal direction) —Target stabilized within 70 to 110 degrees of aspect; generally given in cardinal directions: east, west, north, and south. | 
| BEARING | BEARING (w/cardinal direction) —Inner group formation with the trailer displaced approximately 45 degrees behind the leader. | 
| BENT | (system) BENT —System indicated is inoperative | 
| BINGO | —Fuel state needed for recovery. | 
| BIRD | —Friendly surface-to-air missile (SAM). | 
| BIRD(S) AFFIRM | —Surface-to-air 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 | —Surface-to-air informative call indicating friendly SAM has been fired at designated target. | 
