Photo Credit: Staff Sgt. Jeremy D. Crisp/ 3rd Special Forces Group (Airborne)
Capt. William N. Vasios (left), a physician assistant with 1st Battalion, 3rd Special Forces Group (Airborne), explains to an audience what is seen on the screen of a portable ultrasound machine while Sgt. 1st Class Robert Lopez, a Special Forces medic, with the same unit, conducts a training exam using the machine during the Special Operations Medical Association's annual conference Dec. 15, in Tampa, Fla.