Senior Airman Chealsey Miller, a stockpile management crew chief assigned to the 28th Munitions Squadron, competes in Global Strike Challenge 21 at Ellsworth Air Force Base, S.D., Aug. 16, 2021. Air Force Global Strike Command Airmen are dedicated to developing and providing safe, secure and credible global strike forces in support of the President of the United States and the Combatant Commanders. (U.S. Air Force photo by Senior Airman Michael Ward)