Senior Airman Tamara Wilson waits in formation with active-duty Airmen for the beginning of a change-of-command ceremony at McConnell Air Force Base, Kan. on July 2. Airman Wilson is a Reservist assigned to the 931st Aerospace Medicine Flight currently on active-duty orders with the 22nd Air Refueling Wing, the 931st's host unit at McConnell. (U.S. Air Force photo/Tech. Sgt. Jason Schaap)