U.S. Air Force Capt. Jonathan Beatty, a family nurse practitioner assigned to the 633rd Medical Group, consults with 2nd Lt. Karenia Borges, a clinical nurse assigned to the 633rd MDG, during amass casualty exercise at Langley Air Force Base, Va., March 24, 2016. The exercise lasted five hours, guaranteeing the medical staff involved was adequately prepared to handle a mass casualty situation. (U.S. Air Force photo by Airman 1st Class Kaylee Dubois)