British Royal Marines Commandos train US Marines to survive in freezing water.

British Royal Marines Commandos train US Marines to survive in freezing water. U.S. Marines with Bravo Company, 1st Battalion, 2nd Marine Regiment, 2nd Marine Division, conduct ice-breaking drills as a part of cold weather training, in Porsangmoen, Norway. Feb. 10, 2017. The Marines attended a three-week cold weather training package was lead by the British Royal Marine Mountain warfare unit as part of Marine Rotational Force Europe 17.1 to improve their ability to perform in a cold weather environment. S