ROYAL AIR FORCE LAKENHEATH, England - Staff Sgt. Andrea Martin, left, 48th Equipment Maintenance Squadron inspection craftsman, Tech Sgt. Scott Douglass, 372nd Training Squadron Detachment 16 crew chief instructor, and Staff Sgt. John Phillippo, 492nd Aircraft Maintenance Unit crew chief, practice preflight checks on an F-15E Strike Eagle at Royal Air Force Lakenheath, July 27, 2011. Detachment 16 offers more than 55 different courses to ensure all 48th Fighter Wing maintainers are qualified to repair and inspect assigned aircraft supporting the Liberty Wing mission of worldwide responsive combat air power and support. (U.S. Air Force photo/Airman Cory Payne)