An Improved Navy Lighterage System loaded with vehicles from a recent Marine Expeditionary Unit coasts into the shoreline during a Marine Prepositioning Force Exercise aboard Marine Corps Support Facility Blount Island, Fla., Aug. 10, 2015. Marines with Combat Logistics Regiment 25 teamed up with sailors from Naval Beach Group-2 for the latest iteration of the MPFEX. (U.S. Marine Corps photo by Sgt. Shawn Valosin/Released) - An Improved Navy Lighterage System loaded with vehicles from a recent Marine Expeditionary Unit coasts into the shoreline during a Marine Prepositioning Force Exercise aboard Marine Corps Support Facility Blount Island, Fla., Aug. 10, 2015. Marines with Combat Logistics Regiment 25 teamed up with sailors from Naval Beach Group-2 for the latest iteration of the MPFEX. (U.S. Marine Corps photo by Sgt. Shawn Valosin/Released)