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IFF Mark II was the first operational identification friend or foe system. It was developed by the Royal Air Force just before the start of World War II . After a short run of prototype Mark I s, used experimentally in 1939, the Mark II began widespread deployment at the end of the Battle of Britain in late 1940.
Identification, friend or foe (IFF) is a combat identification system designed for command and control. It uses a transponder that listens for an interrogation signal and then sends a response that identifies the broadcaster. IFF systems usually use radar frequencies, but other electromagnetic frequencies, radio or infrared, may be used. [1]
IFF Mark III, also known as ARI.5025 in the UK or SCR.595 in the US, was the Allied Forces standard identification friend or foe (IFF) system from 1943 until well after the end of World War II. It was widely used by aircraft, ships, and submarines, as well as in various adaptations for secondary purposes like search and rescue . 500 units were ...
Government officials had green ID cards with endorsements, and a photograph, whilst those in the armed services, or temporary displaced persons were issued with a 'Blue' [clarification needed] version of the identification cards. Children under 16 were issued with Identity Cards, but they were to be kept by their parents.
After World War II many badges were phased out of the United States Armed Forces in favor of more modern military badges which are used today. A unique obsolete badge situation occurred with General of the Air Force Henry H. Arnold , who in 1913 was among the 24 Army pilots to receive the first Military Aviator Badge , an eagle bearing Signal ...
IFF Mark X was the NATO standard military identification friend or foe transponder system from the early 1950s until it was slowly replaced by the IFF Mark XII in the 1970s. It was also adopted by ICAO , with some modifications, as the civilian air traffic control (ATC) secondary radar (SSR) transponder.
FuG 25a Erstling (German: "Firstborn", "Debut", sometimes FuGe) was an identification friend or foe (IFF) transponder installed in Luftwaffe aircraft starting in 1941 in order to allow German Freya radar stations to identify them as friendly.
A pair of CIPs mounted on the side of an M1A1 Abrams' turret. The Combat Identification Panel (CIP), also known as a Coalition Identification Panel, is an Identification friend or foe device mounted on military ground vehicles used by United States Armed Forces' United States Army with United States Marine Corps and its allies to distinguish them from the enemy during battle.