Staff Sgt's Toni Brooks (left) and Bradford Boone (right), both 192nd Virginia Air National Guard aircraft maintainers attached to the 94th Fighter Squadron at Langley Air Force Base in Virginia, troubleshoot the avionics system on a F-22A Raptor using the Portable Maintaince Adapter (PMA) on Dec. 6, 2006.For well over a year, aircraft maintainers and pilots from the 192nd Virginia Air National Guard Unit based out of Richmond, Va. have slowly intergrated into the F-22A Raptor program at Langley AFB. (USAF Photo By Staff Sgt Samuel Rogers)