Tech. Sgt Nasir Ahmad and Airman 1st Class James Balcom, 37th Aircraft Maintenance Unit crew chiefs, remove a panel underneath a B1-B Lancer to check for leaks as part of a final pre-flight inspection Sept. 22, 2015 at Al Udeid Air Base, Qatar. Ahmad and Balcom are deployed from Ellsworth Air Force Base, S.D. (U.S. Air Force photo/Staff Sgt. Alexandre Montes)