U.S. Marines with 3rd Battalion, 8th Marine Regiment, provide security during exercise Hagåtña Fury 21 on Ukibaru, Japan, Feb. 18, 2021. The exercise demonstrated that Marines are capable of seizing, defending, and providing expeditionary sustainment for key maritime terrain in support of the III Marine Expeditionary Force. 3/8 is attached to 3rd Marine Division as a part of the unit deployment program. - U.S. Marines with 3rd Battalion, 8th Marine Regiment, provide security during exercise Hagåtña Fury 21 on Ukibaru, Japan, Feb. 18, 2021. The exercise demonstrated that Marines are capable of seizing, defending, and providing expeditionary sustainment for key maritime terrain in support of the III Marine Expeditionary Force. 3/8 is attached to 3rd Marine Division as a part of the unit deployment program.