U.S. Navy Lt. Cmdr. Robert Oldt, an emergency physician

U.S. Navy Lt. Cmdr. Robert Oldt, an emergency physician explains proper positioning for identifying the heart on a patient using the Focused Assessment with Sonogram in Trauma exam to Lt. Oscar Kizhner, a flight surgeon, July 21, 2016. Special Purpose Marine Air-Ground Task Force-Crisis Response-Africa medical personnel conducted FAST exams using a medical tent, or Shock Trauma Platoon, containing a surgical suite, called a Forward Resuscitative Surgical System, which makes it possible for forward deployed doctors to perform lifesaving surgical procedures in the event of a crisis. (U.S. Marine Corps photo by Sgt. Kassie McDole.)