and winter months in the United Kingdom and Norway. Training includes rock climbing, survival, Resistance to Interrogation (RTI), patrolling and raiding, snow and ice climbing and cold weather survival. ML3 is a 9-week course open to all levels, these individuals go on to serve in the Commando Unit Recce Troops, Brigade Patrol Troop, and Special Forces Support Group. See also Mountain Warfare Training Center – a similar training unit in the US Marine Corps High Mountain Military School - a similar training unit in the French Army Brigade Patrol Troop Pathfinder Platoon List of mountain warfare forces References Royal Marines training Military units and formations of the United Kingdom in the Falklands War Royal Marine formations and units Survival training