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An IFF test set used by a United States Air Force avionics technician technical sergeant for testing transponders on aircraft in 2001.
An IFF test set used by a United States Air Force avionics technician technical sergeant for testing transponders on aircraft in 2001.
Radar coverage of the Chain Home system, 1939–40
Radar coverage of the Chain Home system, 1939–40
Code generator from German WW II IFF-Radio FuG 25a Erstling
Code generator from German WW II IFF-Radio FuG 25a Erstling
The American B-17 Flying Fortress Miss Donna Mae II is damaged by bombs after drifting under the American bomber flying above it during the bombing of
The American B-17 Flying Fortress Miss Donna Mae II is damaged by bombs after drifting under the American bomber flying above it during the bombing of Berlin in 1944. The damage to the horizontal stabilizer caused the plane to go into an uncontrollable spin and crash, killing all 11 crew members.
Soldiers perform a night assault at Camp Atterbury Joint Maneuver Training Center during Bold Quest 2011, a combat assessment exercise to test the int
Soldiers perform a night assault at Camp Atterbury Joint Maneuver Training Center during Bold Quest 2011, a combat assessment exercise to test the interoperability of target identification systems of different allied nations to reduce friendly fire incidents.