U.S. Marine Corps Cpl. Oliver Ens, team leader, with

U.S. Marine Corps Cpl. Oliver Ens, team leader, with 1st Battalion, 3rd Marine Regiment (1/3), prepares C-4 for detonation at Continued Range-7 during Fuji Viper 16-3 on Camp Fuji, Fuji, Japan, Feb. 2, 2016. The Marines of 1/3 conducted demolition training to sustain their proficiency in combat operations. Fuji Viper 16-3 is a training exercise where Marines and Sailors conduct live fire and non-live fire combined arms training in order to sustain combat proficiency to support contingency operations in the U.S. Pacific Command area of operations. (U.S. Marine Corps photo by MCIPAC Combat Camera Lance Cpl. Juan Esqueda/Released)