050913-F-3849M-001 Tech. Sgt. Jim Graves (left) and Staff Sgt. Tom Kocis, aerial spray maintenance technicians with the 910th Aircraft Maintenance Squadron, check recirculation valves during a pre-flight inspection of the Modular Aerial Spray System Sept. 13. (U.S. Air Force photo by Tech. Sgt. Shawn David McCowan)" http://www.afrc.af.mil/photos/mediagallery.asp?galleryID=335
