The sole Convair XC-99 cargo plane at Kelly AFB, TX in about 1950. It is now being restored for display at the USAF Museum at Dayton. The dark-tailed transport in a Boeing YC-97 (derived from the B-29) and that's a pair of B-29s behind the 97. Several Beech C-45s and Douglas A-26 Invaders beyond the left B-29.