Lance Cpl. Matthew Betkoski, a refrigeration and air

Lance Cpl. Matthew Betkoski, a refrigeration and air conditioning technician with Marine Wing Support Squadron 171, mans a M240 bravo light-machine during exercise Thunder Horse 16.2 at the Japan Ground Self-Defense Force’s Haramura Maneuver Area in Hiroshima, Japan, May 10, 2016. The squadron conducts exercises such as this several times a year in order to train all the Marines within the squadron, enhance their technical skills, field experience and military occupational specialty capability. (U.S. Marine Corps photo by Lance Cpl. Aaron Henson/Released)