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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 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.
Combat Identification Panel. 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.
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.
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 ...
US Navy Identification Card from the 1960s, as displayed in Pyongyang,North Korea. A United States Uniformed Services Privilege and Identification Card (also known as U.S. military ID, Geneva Conventions Identification Card, or less commonly abbreviated USPIC) is an identity document issued by the United States Department of Defense to identify ...
AAA – Anti-aircraft artillery "Triple A". AAAV – Advanced Amphibious Assault Vehicle. AAC – Army Acquisition Corps. AAD – Armored amphibious dozer. AADC – Area air defense commander. AAE – Army acquisition executive. AAG – Anti-aircraft gun. AAK – Appliqué armor kit (US) AAL – Additional authorization list.
Hazeltine AN-APX-6 Identification Friend or Foe (IFF) transponder, introduced 1950. The company was founded in 1924 by investors to exploit the Neutrodyne patent of Dr. Louis Alan Hazeltine. Headquartered in Greenlawn, Long Island, New York, since 1955, it had facilities in several other locations in Long Island, including its Wheeler ...