355th MDSS change of command ceremony
Lt. Col. Brian Wyrick receives the 355th Medical Support Squadron guidon from Col. William Pollan; 355th Medical Group commander; during the change-of-command ceremony here June 19. Colonel Wyrick assumed command of the 563rd OSS from Lt. Col. Frederick Grantham. (U.S. Air Force photo/Master Sgt. Heather Cabral)