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When then-president George W. Bush, a former Air National Guard fighter pilot, was flown to the aircraft carrier USS Abraham Lincoln in a Navy S-3B Viking, it was the first use of the "Navy One" call sign. The United States Navy, United States Marine Corps, and United States Coast Guard use a mixture of tactical call signs and international ...
Signal operating instructions (SOI) or Communications-Electronics Operation Instructions (CEOI) are U.S. military terms for a type of combat order issued for the technical control and coordination of communications within a command. [1]
The official headquarters callsigns are usually announced at least hourly, and more frequently by Morse code. The United States Army uses tactical designators that change daily. They normally consist of letter-number-letter prefixes identifying a unit, followed by a number-number suffix identifying the role of the person using the callsign.
[1]: 56 United States Army Ambulance Service vehicles carried a red cross and the Caduceus symbol which had been adopted by the U.S. Medical Department in 1902. War Department vehicle numbers were put on vehicles as was section identification signs, SSU meaning services support unit, with 2 or 3 digit number (e.g. SSU 525). [2]
USAAF unit identification aircraft markings, commonly called "tail markings" after their most frequent location, were numbers, letters, geometric symbols, and colors painted onto the tails (vertical stabilizer fins, rudders and horizontal surfaces), wings, or fuselages of the aircraft of the United States Army Air Forces (USAAF) during the ...
The following is a (partial) listing of vehicle model numbers or M-numbers assigned by the United States Army. Some of these designations are also used by other agencies, services, and nationalities, although these various end users usually assign their own nomenclature.
US Army CCKW-353 truck displaying bumper markings. These indicate 3rd Army, 565th Anti-Aircraft Automatic Weapons Battalion, B Battery, 12th vehicle. Army Technical Bulletin 43-0209, Color, Marking, and Camouflage Painting of Military Vehicles, Construction Equipment and Materials Handling Equipment , standardizes how vehicle bumper numbers are ...
Call sign information for U.S. stations are set out in chapter I of the FCC rules, Title 47 (Telecommunication) of the Code of Federal Regulations (C.F.R.): 47 CFR 2.302: General overview of call sign assignments, including a detailed summary of standards and practices for various license classes.