Marine Corps Lance Cpl. Sean Santiago, a rifleman with 1st Battalion, 3d Marines, 3d Marine Division, fires a Mark 19 40 mm grenade machine gun while conducting squad attacks during Fuji Viper at Combined Arms Training Center, Camp Fuji, Japan, Feb. 17, 2022. During this exercise Marines sharpened critical combined arms skills, ensuring they are ready and capable to execute a wide range of missions anywhere in the world. 1/3 is forward-deployed in the Indo-Pacific under 4th Marines as a part of the Unit Deployment Program.

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Keywords: 1-3, catc, javelin, m19, marines, rifleman