U.S. Air Force 1st Lt. Courtney Roepke, 21st Airlift Squadron C-17 Globemaster III pilot, performs pre-flight checks on a C-17 at Travis Air Force Base, Califorina, Oct. 10, 2018. The aircraft and crew was traveling to Davis-Monthan AFB, Arizona to stage in support of civil authorities during Hurricane Michael relief efforts. (U.S. Air Force Photo by Master Sgt. Joseph Swafford) . (U.S. Air Force Photo by Master Sgt. Joseph Swafford)