Shown here is the second XJD-1 (BuNo 57991) of two USAAF A-26C Invaders assigned to VJ-4 at NAS Norfolk, for USN utility work. A total of 140 A-26Cs were acquired for Navy use as JD-1 (UB-26J) target tugs and JD-1D (DB-26J) drone control aircraft. USN.