A U.S. Marine reviews recently purified water’s chlorine level during the command post exercise at Camp Lejeune, North Carolina, April 8. - A U.S. Marine reviews recently purified water’s chlorine level during the command post exercise at Camp Lejeune, North Carolina, April 8.

Cpl. Kody Biggs, a rifleman with 2nd Battalion, 8th Marine Regiment, makes his down river, around a trail that is known to have notional improvised explosive devices during an attack evolution at Marine Corps Base Camp Lejeune, N.C., April 20, 2016. The Marines conducted patrols, ambushes and assaults to prepare of their upcoming Integrated Training Exercise. - Cpl. Kody Biggs, a rifleman with 2nd Battalion, 8th Marine Regiment, makes his down river, around a trail that is known to have notional improvised explosive devices during an attack evolution at Marine Corps Base Camp Lejeune, N.C., April 20, 2016. The Marines conducted patrols, ambushes and assaults to prepare of their upcoming Integrated Training Exercise.

A U.S. Marine with 2nd Low Altitude Air Defense Battalion, 2nd Marine Expeditionary Brigade fires the Stinger missile system during a live-fire event in Ørland, Norway, Feb. 24, 2016. The live-fire event was held in preparation for Exercise Cold Response 16, featuring 12 NATO allies and partner nations and approximately 16,000 troops. - A U.S. Marine with 2nd Low Altitude Air Defense Battalion, 2nd Marine Expeditionary Brigade fires the Stinger missile system during a live-fire event in Ørland, Norway, Feb. 24, 2016. The live-fire event was held in preparation for Exercise Cold Response 16, featuring 12 NATO allies and partner nations and approximately 16,000 troops.

Sgt. Gerry Pratama, from Anahuac, Texas, climbs up the latter after performing the helocasting practical application Nov. 4 during the scout swimmers course at White Beach Naval Facility. Marines rehearsed the procedures they will be doing on the aircraft on pier beforehand hand to ensure readiness. Pratama is a student of the course with Expeditionary Operations Training Group, III Marine Expeditionary Force Headquarters Group, III MEF. - Sgt. Gerry Pratama, from Anahuac, Texas, climbs up the latter after performing the helocasting practical application Nov. 4 during the scout swimmers course at White Beach Naval Facility. Marines rehearsed the procedures they will be doing on the aircraft on pier beforehand hand to ensure readiness. Pratama is a student of the course with Expeditionary Operations Training Group, III Marine Expeditionary Force Headquarters Group, III MEF.