Multiservice tactical brevity code

Brevity code for NATO communications

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March 2023 edition cover page of the Multi-Service Brevity Codes

Multiservice tactical brevity codes are codes used by various military forces. The codes' procedure words, a type of voice procedure, are designed to convey complex information with a few words.

American/NATO codes

This is a list of American standardized brevity code words. The scope is limited to those brevity codes used in multiservice operations and does not include words unique to single service operations. While these codes are not authoritative in nature, all services agree to their meanings. Using the codes eases coordination and improves understanding during multiservice operations. The codes are intended for use by air, ground, sea, and space operations personnel at the tactical level. Code words that are followed by an asterisk (*) may differ in meaning from NATO usage. There is a key provided below to describe what personnel use which codes, as codes may have multiple meanings depending on the service. These are denoted in-line for each brevity code.

Key
Denotation Meaning
No Caveat Denotes a general brevity code.
[A/A] Applies to air-to-air (A/A) operations or communications.
[AIR-MAR] Applies to maritime air (AIR-MAR) operations or communications.
[A/S] Applies to air-to-surface (A/S) operations or communications.
[EW] Applies to electromagnetic warfare (EW) operations or communications.
[MAR] Applies to maritime-to-maritime (MAR) operations or communications.
[S/A] Applies to surface-to-air (S/A) operations or communications.
[SO] Applies to space operations (SO) operations or communications.
[S/S] Applies to surface-to-surface (S/S) operations or communications.