90th MDOS CoC
Col. Francesca Vasta-falldorf, 90th Medical Group commander, presents the guidon for the 90th Medical Operations Squadron to Lt. Col. Katherine Spence while Master Sgt. Brian Sartori, 90th MDOS first sergeant, looks on during the 90th MDOS change-of-command ceremony held in the Trail’s End Club June 22. (U.S. Air Force photo by Matt Bilden)