With both Pratt and Whitney J-58 turbojets running, 64-17964 taxies from its barn at Mildenhall for the last time. The occasion was the return of the first two Det 4 aircraft to Beale AFB on 18 January 1990. Note the puddle of JP8 fuel on the floor, as the aircraft leaked like a sieve when on the ground. Copyright Bob Archer 2006