in 1950 the northrop corporation started a program of light fighter that it named to F-5
this program complete in end of 60 decade
and the first flight perform in 30 july 1959
the early f-5 nomination F-5E that entered service in the 1960s
During the Cold War, over 800 were produced through 1972 for U.S. allies, and Switzerland
The USAF had no need for a light fighter but specifed a requirement for a supersonic trainer, procuring about 1,200 of a derivative airframe for this purpose, the Northrop T-38 Talon.
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The improved second-generation F-5E Tiger II was also primarily used by American Cold War allies and, in limited quantities, served in US military aviation as a training and aggressor aircraft; Tiger II production amounted to 1,400 of all versions, with production ending in 1987. Many F-5s continuing in service into the 1990s and 2000s have undergone a wide variety of upgrade programs to keep pace with the changing combat environment
Primary users of F-5 was United States Navy , Republic of China Air Force , Republic of Korea Air Force and imperial Iranian Air Force[/size]
source:http://en.wikipedia.org/wiki/Northrop_F-5
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