OKINAWA, Japan (Sept. 10, 2020) U.S. Marines with 1st Battalion, 3rd Marine Regiment, 3rd Marine Division, undergo the Infantry Jungle Skills Course at the Jungle Warfare Training Center on Camp Gonsalves, Okinawa, Japan, Sept. 10, 2020. The two-week long course taught the Marines survival skills and increased their proficiency and lethality in a jungle environment. (U.S. Marine Corps photo by Pfc. Scott Aubuchon)