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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 ...
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.
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.
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 ...
Service numbers were used by the United States Department of Defense as the primary means of service member identification from 1918 until 1974 (and before 1947 by the U.S. Army and U.S. Navy). Service numbers are public information available under the Freedom of Information Act , unlike social security numbers which are protected by the ...
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]
Russian nuclear icebreaker Arktika with call sign UKTY. Merchant and naval vessels are assigned call signs by their national licensing authorities. In the case of states such as Liberia or Panama, which are flags of convenience for ship registration, call signs for larger vessels consist of the national prefix plus three letters (for example, 3LXY, and sometimes followed by a number, e.g. 3LXY2).
Active = number of active radar missiles remaining. Radar = number of semi-active radar missiles remaining. Heat = number of IR missiles remaining. Fuel = pounds of fuel or time remaining. Wilco Will comply Winchester No ordnance remaining, can be used to refer to specific types ordnance or all ordnance. Woodpecker Close in weapons system (CIWS ...