 Phantom II production ended in the United States in 1979 after 5 @,@ 195 had been built ( 5 @,@ 057 by McDonnell Douglas and 138 in Japan by Mitsubishi ) . Of these , 2 @,@ 874 went to the USAF , 1 @,@ 264 to the Navy and Marine Corps , and the rest to foreign customers . 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 . As of 2008 , 631 Phantoms were in service worldwide , while the Phantom also remains in use as a target drone operated by the U.S. military . 
