U.S. Marines with Force Reconnaissance Platoon, Command Element, 31st Marine Expeditionary Unit (MEU) board a MH-60S Knighthawk Helicopter on the flight deck of the USNS Rappahannock during a Visit Board Search and Seizure (VBSS) exercise, at sea, September 15, 2013. The 31st MEU regularly performs amphibious training such as the VBSS to maintain skills and readiness of the 31st MEU during it's summer deployment. (U.S. Marine Corps photo by Michael S. Oxton/Released)