U.S. Marines hike through snow during a cold weather live-fire training event in preparation for Exercise Reindeer II in Setermoen, Norway, Nov. 20. - U.S. Marines hike through snow during a cold weather live-fire training event in preparation for Exercise Reindeer II in Setermoen, Norway, Nov. 20.

U.S. Marines ascend from the water while participating in a dive training with Netherlands Marines with the 32nd Raiding Squadron near Netherlands Marine Barracks Savaneta, Aruba, Nov. 13. - U.S. Marines ascend from the water while participating in a dive training with Netherlands Marines with the 32nd Raiding Squadron near Netherlands Marine Barracks Savaneta, Aruba, Nov. 13.

Yutaka Fujii, a civilian K-9 handler with Japan Maritime Self-Defense Force, passes a ball to his canine at Marine Corps Air Station Iwakuni, Japan, March 12, 2018. The training brought Japanese K-9 handlers from the JMSDF Kure Repair and Supply Facility Petroleum Terminal unit and the Hiroshima Police Headquarters to the air station, where they practiced detecting explosives with K-9’s. - Yutaka Fujii, a civilian K-9 handler with Japan Maritime Self-Defense Force, passes a ball to his canine at Marine Corps Air Station Iwakuni, Japan, March 12, 2018. The training brought Japanese K-9 handlers from the JMSDF Kure Repair and Supply Facility Petroleum Terminal unit and the Hiroshima Police Headquarters to the air station, where they practiced detecting explosives with K-9’s.

Dutch Marines prepare to breach a building while training with U.S. Marines with 2nd Reconnaissance Battalion, 2nd Marine Division, at Marine Corps Base Camp Lejeune, N.C., March 23, 2017. During the integrated training exercise, Dutch and U.S. Marines worked with canine units, coordinated air assets and exchanged tactics between services in order to strengthen cohesion and interoperability between the partner two allied nations. - Dutch Marines prepare to breach a building while training with U.S. Marines with 2nd Reconnaissance Battalion, 2nd Marine Division, at Marine Corps Base Camp Lejeune, N.C., March 23, 2017. During the integrated training exercise, Dutch and U.S. Marines worked with canine units, coordinated air assets and exchanged tactics between services in order to strengthen cohesion and interoperability between the partner two allied nations.

U.S. Marines completed Exercise Platinum Lion 17.1, conducting multiple training operations alongside eight partner nations from the Black Sea and Caucasus regions in Novo Selo Training Area, Bulgaria, 12 Dec. to 21 Dec., 2016, to improve interoperability and tactical strength amongst NATO partners. - U.S. Marines completed Exercise Platinum Lion 17.1, conducting multiple training operations alongside eight partner nations from the Black Sea and Caucasus regions in Novo Selo Training Area, Bulgaria, 12 Dec. to 21 Dec., 2016, to improve interoperability and tactical strength amongst NATO partners.

An M1A1 Abrams battle tank with Fox Company, 4th Tank Battalion, drives to an objective as a part of a combined arms breaching exercise at Marine Corps Base Camp Lejeune N.C., July 22, 2016. Elements from a Marine engineer unit worked with 4th Tanks to clear obstacles to make way for the infantry. - An M1A1 Abrams battle tank with Fox Company, 4th Tank Battalion, drives to an objective as a part of a combined arms breaching exercise at Marine Corps Base Camp Lejeune N.C., July 22, 2016. Elements from a Marine engineer unit worked with 4th Tanks to clear obstacles to make way for the infantry.

U.S. Marines with Special-Purpose Marine Air-Ground Task Force Crisis Response-Africa embed with a Spanish Legion company during a week-long exercise in the mountains of Almeria, Spain, Dec. 14-18, 2015. The combined urban and mountain warfare training is another bilateral training opportunity strengthening the U.S. and Spanish military relationship. - U.S. Marines with Special-Purpose Marine Air-Ground Task Force Crisis Response-Africa embed with a Spanish Legion company during a week-long exercise in the mountains of Almeria, Spain, Dec. 14-18, 2015. The combined urban and mountain warfare training is another bilateral training opportunity strengthening the U.S. and Spanish military relationship.

An international Corps of Marines from Sweden, Finland, and the U.K. conduct amphibious assaults on a beachhead in Ravlunda, Sweden, for local media outlets during BALTOPS 2015, June 13. The amphibious forces are part of 17 NATO Allies and partner nations that are integrated in air, land, and sea operations to improve their combined-force capability to work together and to respond to threats in the Baltic region. - An international Corps of Marines from Sweden, Finland, and the U.K. conduct amphibious assaults on a beachhead in Ravlunda, Sweden, for local media outlets during BALTOPS 2015, June 13. The amphibious forces are part of 17 NATO Allies and partner nations that are integrated in air, land, and sea operations to improve their combined-force capability to work together and to respond to threats in the Baltic region.