43 Commando Fleet Protection Group Marines operating an Offshore Raiding Craft (ORC) in the vicinity of Her Majesty's Naval Base (HMNB) Clyde. FPGRM at Clyde use the ORC to escort Britain's Trident Submarines to and from the base as well as for general patrol duties.
The ORC pictured is of the aft consolve variant (AVC), configured for the troop carrying role. It can caryy up Royal Marines in addition to the 4 crew. This ORC is fitted with a twin-gpmg mount.
(U.S. Air Force photo Air Force Master Sgt. Adam M. Stump