3D MEB, ARDB conduct exercise Yama Sakura 77 - U.S. Marine Corps Lt. Col. Joseph McAlarnen, right, with 3D Marine Expeditionary Brigade, and Capt. Atsushi Kawabata, left, with the Japan Ground Self-Defense Force Amphibious Rapid Deployment Brigade, brief during a Rehearsal of Concept drill, which simulates various courses of action with U.S. forces and Japanese member during Exercise Yama Sakura 77 on Camp Courtney, Okinawa, Japan, Dec. 7, 2019. Participants included Marines from 3D MEB, Soldiers from U.S. Army I Corps and 40th Infantry Division, and members from the ARDB. Yama Sakura is a JGSDF and U.S. Army-led, bilateral Command Post Exercise that strengthens military operations, readiness, trust, and friendship between U.S. forces and the JGSDF. (U.S. Marine Corps photo by Staff Sgt. Jordan E. Gilbert)