Free Art Pictures  →  Pictures of Flight in Art  → Photo of Bell X-1A in the belly of a B-29     Wikimedia Page: http://commons.wikimedia.org/wiki/File:Bell_X-1A_in_the_belly_of_a_B-29.jpg Description Bell X-1A resting in the belly of a B-29 Superfortress . Date unknown, but taken in 1940s Source Air Force Link site . Provenance page ,