F-104DJ 26-5001 was c/n 583B-5401, the first aircraft built of this variant.

The Japanese Air Self Defense Force operated 210 F-104Js and 20 F-104DJs.
DJ was the two-seater version of the J.
The F-104 entered service with the JASDF in October 1966. These aircraft were used solely for interceptor roles.
The last JASDF F-104 was retired in March 1986. Some of the retired aircraft were transferred to Taiwan.