Know, Practice, Train Published Aug. 12, 2016 By Airman 1st Class Michaela Slanchik 509th Bomb Wing Whiteman Air Force Base, Mo. -- U.S. Air Force Staff Sgt. Christina Peabody, a 509th Medical Operations Squadron (MDOS) flight medicine technician, right, hands medication to Capt. Kallyn Harencak, a 509th MDOS flight surgeon, center, to treat a victim’s simulated abdominal injury during an active shooter exercise at Whiteman Air Force Base, Mo., Aug. 5, 2016. The medical technicians treated simulated wounds on the spot during the exercise, then triaged for further care.