A B-1B Lancer undergoes post-mission maintenance at Ellsworth Air Force Base, S.D., April 30, 2020, following the completion of a 32-hour Bomber Task Force mission. A pair of B-1s flew from Ellsworth AFB and conducted operations in the South China Sea as part of a joint U.S. Indo-Pacific Command and U.S. Strategic Command Bomber Task Force mission. (U.S. Air Force photo by Airman Quentin Marx)