U.S. Air Force Staff Sgt. Charles Phillips, 727th Special Operations Aircraft Maintenance Squadron, removes screws from an air filter housing compartment on a CV-22 Osprey on the flightline at Cannon Air Force Base, N.M., Nov. 2, 2012. The $80 million aircraft relies on routine austere inspections and preventative maintenance for proper functionality as well as Air Force Special Operations Command compliance. (U.S. Air Force photo/Airman 1st Class Alexxis Pons Abascal)