U.S. Air Force Col. Anne Marie McCain, outgoing 379th Expeditionary Medical Group, gives final remarks to the men and women of the 379th EMDG before relinquishing command during a change of command ceremony, July 9, 2020, Al Udeid Air Base, Qatar. The 379th EMDG directs Central Command’s sole Expeditionary Blood Transshipment Center, delivering critical blood products to the area of responsibility.