The sun rises over a C-17 Globemaster III aircraft on the flight line at Dover Air Force Base, Delaware, April 23, 2021. The C-17 Globemaster III is the most flexible cargo aircraft to enter the airlift force. The aircraft can perform tactical airlift and airdrop missions and transport litters of ambulatory patients during aeromedical evacuations. (U.S. Air Force photo by Airman 1st Class Stephani Barge)