ATP 1-02.1 governs multi-Service brevity codes used in tactical operations across specified air, surface, and maritime contexts.
View ATP 1-02.1 on armypubs.army.mil
ATP 1-02.1 contains brevity code meanings for air-to-air, air-to-surface, surface-to-air, surface-to-surface, maritime air, and maritime-to-maritime operations. It requires standardized meanings regardless of communication medium and states that brevity codes shorten messages rather than conceal content.
Applies to: This publication is for Service members conducting operations at the tactical level.
A brevity code is a code that provides no security. (paragraph 1)
ATTACK * [A/S] An informative call indicating aircraft are committed to air-to-surface delivery on a specific ground target. (paragraph 2)
AUTHENTICATE To request or provide a response for a coded challenge. (paragraph 2)
CLEARED HOT [A/S] Term used by a joint terminal attack controller (JTAC) / forward air controller (airborne) (FAC(A)) during Type 1 and 2 CAS terminal attack control when granting weapons release clearance to an aircraft attacking a specific target. (paragraph 3)