U.S. Air Force Tech. Sgt. Scott Brenner, 1st Maintenance Group package maintenance plan dock chief, checks the oil filter of an F-22 Raptor at Langley Air Force Base, Va., Jan. 12, 2012. The 1st MXG, along with the 192nd Maintenance Group, achieved the wing's highest F-22 mission capable rate since the jets began arriving at Langley AFB in 2005. (U.S. Air Force photo by Staff Sgt. Ashley Hawkins/Released)