A Marine with 3rd Battalion, 6th Marine Regiment helps the gunner fire a Tube-launched, Optically tracked, Wire-guided (TOW) missile during a battle drill at Marine Corps Base Camp Lejeune, North Carolina, Aug. 23, 2016. The more experienced Marines got up and helped guide the new Marines who were shooting the weapon system for the first time. - A Marine with 3rd Battalion, 6th Marine Regiment helps the gunner fire a Tube-launched, Optically tracked, Wire-guided (TOW) missile during a battle drill at Marine Corps Base Camp Lejeune, North Carolina, Aug. 23, 2016. The more experienced Marines got up and helped guide the new Marines who were shooting the weapon system for the first time.

A Marine with Echo Company, Battalion Landing Team, 2nd Battalion, 6th Marine Regiment, prepares to submerge underwater while wearing a supplemental emergency breathing device at Marine Corps Base Camp Lejeune, North Carolina, Sept. 22, 2015. The company participated in the submerged vehicle egress training to gain confidence in their abilities to safely exit a sinking amphibious assault vehicle in preparation for their upcoming deployment with the 26th Marine Expeditionary Unit. - A Marine with Echo Company, Battalion Landing Team, 2nd Battalion, 6th Marine Regiment, prepares to submerge underwater while wearing a supplemental emergency breathing device at Marine Corps Base Camp Lejeune, North Carolina, Sept. 22, 2015. The company participated in the submerged vehicle egress training to gain confidence in their abilities to safely exit a sinking amphibious assault vehicle in preparation for their upcoming deployment with the 26th Marine Expeditionary Unit.

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.