Gen. Robin Rand accepts the Air Force Global Strike Command flag from Air Force Chief of Staff Gen. Mark A. Welsh III during a change of command ceremony at Barksdale Air Force Base, La., July 28, 2015. The Air Force elevated AFGSC to a four-star major command to provide its global strike missions with the highest level of leadership oversight similar to the service’s other core operational missions. AFGSC develops and provides combat ready forces for safe, secure, and effective nuclear deterrence and conventional global strike operations to support the President of the United States and combatant commanders. (U.S. Air Force photo/Senior Airman Jannelle Dickey)