Breech block of a howitzer inexplicably mixed among the rockets and missiles in the White Sands Missile Range museum rocket garden, New Mexico.

Shot with the Nikon D70s and the 18-70mm f/3.5-4.5 zoom at 70mm, ISO 400, f/10, shutter 1/160 sec. Exposure, contrast, levels, and highlights adjustments in Aperture.