A C-17 Globemaster III from the 14th Airlift Squadron, Charleston Air Force Base, S.C., leaves a smoke trail after releasing flares over the Atlantic Ocean during a local exercise above the Charleston area, May 16, 2006. The vortex from the Globemaster engine created the image of a "smoke angel" in the sky. U.S. Air Force photo by Tech. Sgt. Russell E. Cooley IV. It is an official USAF photo.