This file includes some commonly used multi-service brevity codes at a (mostly) quick glance. Most codes are gathered from "MULTI-SERVICE TACTICS, TECHNIQUES, AND PROCEDURES FOR MULTI-SERVICE BREVITY CODES" manual, updated March 2023, which was available through the US Army, US Marine Corps, US Navy, and US Air Force websites.
Codes that aren't from the manual, but I've heard the community use, are denoted with a triple astrick (***)