170428-M-IY350-0159 FIRE BASE BURT, Calif. (April 28, 2017) U.S. Navy hospital corpsmen assigned to the 15th Marine Expeditionary Unit (15th MEU) transport a casualty to an MV-22B Osprey assigned to Marine Aviation Weapons and Tactics Squadron (MAWTS) 1 during Final Exercise 2 in support of Weapons and Tactics Instructors Course (WTI) 2-17 at Fire Base Burt, Calif. The exercise is designed to execute a simulated special operating forces raid while simultaneously supporting regimental combat team objectives and focusing on conducting all six functions of Marine Aviation. (U.S. Marine Corps photo by Lance Cpl. Michaela R. Gregory/Released)