319 MDSS welcomes new commander
Lt. Col. Leah J. Erwin, (right) assumes command of the 319th Medical Support Squadron from Lt. Col. David Cockrum, 319th Medical Operations Squadron commander, during a change-of-command ceremony, June 25 at Grand Forks Air Force Base, North Dakota. Col. Erwin assumed command of the 319 MDSS from Lt. Col. Larsen. (U.S. Air Force photo by Tech. Sgt. Johnny Saldivar)