UF-104J "600" (piloted drone prototype) tested at Iwo Jima island The last duties for JASDF F-104J were to be unmanned target drones. Two F-104Js were modified to UF-104J experimental drones and tested by ADTW. The two UF-104J (renamed from QF-104J (XQF-104J)) were drones with a cockpit, and 12 became UF-104JA drones without a cockpit. On December 18, 1989 was the first flight of XQF-104J drone 46-8592. After that, a total of 14 Starfighters converted to UF-104JA target drone and all of them were shot down at a firing range located near Iwo-Jima island, famous battlefield of WW2. Between March 1992 and January 1997, all these completed their missions against "hostile" F-15J at Iwo Jima. 1988 2 F-104J aircraft ordered by Mitsubishi factory for drone modifications 1989 first flight from Nagoya AB, December 18, 1989, first flight of XQF-104J drone nr.1 46-8592 1990, June 1990 delivery to JASDF (Japan Air Self-Defense Force) 1990 until December 1991 testflights 1992, March 1992 wing got approval for testflights 1994, late 1994 order for a total of 14 aircraft copyright © Grondstein collection