CAMP FUJI, Japan (Jan. 13, 2020) Hospital Corpsman Seaman Brian Castellon, a corpsman with Kilo Company, 3d Battalion, 8th Marine Regiment, participates in an advanced marksmanship competition during exercise Fuji Viper 21.2 at Combined Arms Training Center, Camp Fuji, Japan, Jan. 13, 2021. During this evolution of Fuji Viper, Marines honed their tactical skills, demonstrating that infantry formations can facilitate joint force multi-domain maneuver in support of naval operations. 3/8 is forward-deployed in the Indo-Pacific under 4th Marine Regiment, 3d Marine Division. Castellon is a native of Inverness, Fla. (U.S. Marine Corps photo by Lance Cpl. Alexis Moradian)