Engine exhaust ducting on an F-4 Phantom jet sitting in the White Sands Missile Range museum missile park, New Mexico.

Shot with the Nikon D70s and the 18-70mm f/3.5-4.5 zoom at 56mm, ISO 400, f/7.1, shutter 1/125 sec. Exposure, contrast, saturation, and highlights adjustments in Aperture.