43 Commando Ship Boarding Demo
Footage has surfaced on Youtube from the 2015 Defence and Security Equipment International (DSEI) exhibition at the EXcel centre in London. It featurs Royal Marines with S Squadron 43 Commando Fleet Protection Group carrying out a rapid boarding operation on the SeaOwl Group's VN Partisan naval training vessel in Royal Victoria Dock. Here it is:
For a dock-side view of the 14-minute demonstration see here:
S Squadron is one of 3 rifle squadrons within 43 Commando. Their role includes maritime security operations e.g. counter-piracy and counter-terrorism. The squadron deploys Fleet Standby Rifle Troops on maritime security operations around the world. The squadron's Fleet Contingency Troop (FCT) is trained to perform non-compliant boardings i.e. taking control of maritime objectives while opposed by hostile forces.
Note the L91A1 MP5 9mm sub machine guns weilded by the Royal Marines.