Marines and Sailors with U.S. Marine Corps Forces, Special Operations Command, demonstrate proper removal of a gas mask from a simulated chemical contact victim while training for the medical management of chemical and biological causalties during an exercise at Stone Bay on Marine Corps Base Camp Lejeune, N.C., Dec. 6, 2017. Long prohibited by international agreements, chemical weapons have been increasingly used on the battlefield by American adversaries including violent extremist organizations. Raiders gained valuable practical application skills in handling casualties in complex and dangerous chemical environments. - Marines and Sailors with U.S. Marine Corps Forces, Special Operations Command, demonstrate proper removal of a gas mask from a simulated chemical contact victim while training for the medical management of chemical and biological causalties during an exercise at Stone Bay on Marine Corps Base Camp Lejeune, N.C., Dec. 6, 2017. Long prohibited by international agreements, chemical weapons have been increasingly used on the battlefield by American adversaries including violent extremist organizations. Raiders gained valuable practical application skills in handling casualties in complex and dangerous chemical environments.

Capt. Jonathan Blankenship, a company commander with Black Sea Rotational Force, confirms the assault on the enemy objective is complete during the final exercise of cold-weather training aboard Porsangmoen, Norway, Feb. 16-20, 2016. Arctic training was conducted by U.K. Royal Marine Commando Mountain Leaders and hosted by the Norwegian military to improve the U.S. Marine Corps’ capability to support their NATO Allies in extreme environments. - Capt. Jonathan Blankenship, a company commander with Black Sea Rotational Force, confirms the assault on the enemy objective is complete during the final exercise of cold-weather training aboard Porsangmoen, Norway, Feb. 16-20, 2016. Arctic training was conducted by U.K. Royal Marine Commando Mountain Leaders and hosted by the Norwegian military to improve the U.S. Marine Corps’ capability to support their NATO Allies in extreme environments.

U.S. Marine Corps amphibious assault vehicles before a public "splash" demonstration in the Trondheim Fjord in Norway, Jan. 10. The partnership between the Norwegian military and U.S. Marines enables NATO to pivot toward crisis by alleviating logistics requirements to support a broad-spectrum military operations. - U.S. Marine Corps amphibious assault vehicles before a public "splash" demonstration in the Trondheim Fjord in Norway, Jan. 10. The partnership between the Norwegian military and U.S. Marines enables NATO to pivot toward crisis by alleviating logistics requirements to support a broad-spectrum military operations.

Marines with U.S. Marine Corps Forces, Special Operations Command dive out the back of a MV-22B Osprey with the goal of hitting their pre-designated landing zone with Marine Medium Tiltrotor Squadron 365 at Marine Corps Air Station New River, North Carolina, Jan. 21, 2016. The squadron supported Marine Raiders by conducting high altitude low opening jumps as well as static line jumps to allow them to train for future operations. - Marines with U.S. Marine Corps Forces, Special Operations Command dive out the back of a MV-22B Osprey with the goal of hitting their pre-designated landing zone with Marine Medium Tiltrotor Squadron 365 at Marine Corps Air Station New River, North Carolina, Jan. 21, 2016. The squadron supported Marine Raiders by conducting high altitude low opening jumps as well as static line jumps to allow them to train for future operations.