U.S Marines with the Offload Preparation Party (OPP)

U.S Marines with the Offload Preparation Party (OPP) operate an Amphibious Assault Vehicle (AAV) from within the hold of the U.S. Naval Ship 2nd LT John P. Bobo during the Marine Prepositioning Force offload of gear and equipment in support of Peninsula Express 15, June 14, 2015. Peninsula Express is one in a series of regularly-scheduled combined, small-unit, tactical training exercises that demonstrates continued dedication to the ROK-U.S. relationship, contributing to the security and stability of the Korean Peninsula and Asia-Pacific region. (U.S. Marine Corps photo by Sgt. Justin A. Bopp/Released)