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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 ...
They include current and up-to-date information covering radio call signs and frequencies, a telephone directory, code-words (for rudimentary encryption), and visual and sound signals. A designated battalion signal officer prepares the battalion SOI in conformance with the SOI of higher headquarters. [2] During operations, SOI are changed daily.
FM boosters receive call signs which repeat the entire call sign of the primary station, plus a sequential numeric suffix, like "FM1". Only LPFM boosters have multiple suffixes. The longest possible call sign in the United States (nine characters) went into use for the first time July 22, 2017, when KWSV-LP signed on booster KWSV-LP-FM1. [16]
MIL-STD 2525A was the American standard for military symbols. The custodian of APP-6 is the United States. APP-6(A) remained unchanged as work on harmonizing it with ADatP-3, NATO Message Text Formatting System was carried out. In 1999, APP-6 was moved from the Army Service Board to the Joint Service Board.
Multi-Service Tactics, Techniques, and Procedures for Multi-Service Brevity Codes (PDF). ATP 1-02.1, MCRP 3-30B.1, NTTP 6-02.1, AFTTP 3-2.5. Air Land Sea Space Application Center. March 2023. Archived (PDF) from the original on 22 March 2023 – via United States Army Publishing Directorate.
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).
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 ...
Police units in the United States tend to use a tactical designator (or tactical callsign) consisting of a letter of the police radio alphabet followed by one or two numbers. For example, "Mary One" might identify the head of a city's homicide division.