During 1980 the nations that received the new F-16 tested the aircraft in different areas. After the tests at Hill AFB had ended all aircraft were flown to Leeuwarden. This brought some brand new USAF F-16's to Europe. Now at AMARC.
Late ninties the Brogel based Vipers wore 'BL' on the tail. Unlike their counterparts from Florennes, who still have 'FS' on their tails, the 'BL' code didn't last long