190605-M-PY691-431 PHILIPPINE SEA (June 5, 2019) Sgt. Tanner Olson, a crew chief with Marine Medium Tiltrotor Squadron (VMM) 265 (Reinforced), fires a GAU-17/A Vulcan minigun on targets during training over the Philippine Sea, June 5, 2019. The 31st Marine Expeditionary Unit, the Marine Corps’ only continuously forward-deployed MEU, provides a flexible and lethal force ready to perform a wide range of military operations as the premier crisis response force in the Indo-Pacific region. (U.S. Marine Corps photo by Lance Cpl. Kyle P. Bunyi/Released)