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The last U.S.-built F-4 went to South Korea, while the last F-4 built was an F-4EJ built by Mitsubishi Heavy Industries in Japan and delivered on 20 May 1981. [35] As of 2008, 631 Phantoms were in service worldwide, [ 36 ] while the Phantoms were in use as a target drone (specifically QF-4Cs) operated by the U.S. military until 21 December 2016 ...
4-F classification in the U.S. Selective Service System, identifying a person as unfit for military service; 4F correlator, in Fourier optics; The 4f electron shell; Section 4(f) of the United States DOT act of 1966, which regulates acquiring park and historic properties for transportation use.
Overall, South Korea was one of the main customers of the F-4, with 216 delivered, including 60 "D" models, 55 "E" models and 18 RF-4Cs in service in 2000. [61] [63] The F-4 was the ROKAF's primary fighter until the KF-16 began to be introduced in 1994. [64] The 20 F-4D units at Daegu base were retired as of June 16, 2010, as the company took ...
Before the introduction of the tri-service designation system, the F-4 Phantom II was designated F4H by the U.S. Navy, and F-110 Spectre by the U.S. Air Force.. The Tri-Service aircraft designation system is a unified system introduced in 1962 by the United States Department of Defense for designating all U.S. military aircraft.
Tactical reconnaissance version of F-4B for United States Marine Corps, nose stretched 4 ft 9 in (1.4 m), smaller AN/APQ-99 radar. Three camera bays typically carried KS-87 forward oblique/vertical camera on Station 1, KA-87 low-altitude camera on Station 2, and KA-55A or KA-91 high-altitude panoramic camera on Station 3.
By 1915, the US Army was using trucks tactically. When the US joined World War I in April, 1917 it began purchasing trucks in larger numbers. Early trucks were often designed for both military and commercial use, later military-specific designs were built. Since 1940 the US military has ordered over 3,000,000 tactical trucks.
An F-16 Fighting Falcon of the United States Air Force in flight. The United States Armed Forces uses a wide variety of military aircraft across the respective aviation arms of its various service branches. The numbers of specific aircraft listed in the following entries are estimates from published sources and may not be exhaustive.
A new version, the F4F-4, entered service in 1941 with six machine guns and the Grumman-patented Sto-Wing folding wing system, [47] [48] which allowed more aircraft to be stored on an aircraft carrier, increasing the number of fighters that could be parked on a surface by more than a factor of 2. The F4F-4 was the definitive version that saw ...