PACIFIC OCEAN – 1st Lt. Michael Lopata, the platoon commander with Combined Anti-Armor Team, 1st Battalion, 5th Marine Regiment, 15th Marine Expeditionary Unit, practices using the optics system of a Command Launcher Unit during Composite Training Unit Exercise aboard USS Pearl Harbor (LSD 52), May 6, 2017. These at-sea periods of instruction provide an opportunity to expand upon critical skills needed to accomplish mission essential tasks. COMPTUEX is the second at-sea training exercise prior to the 15th Marine Expeditionary Unit’s Certification Exercise and Western Pacific 17-2 deployment. (

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PACIFIC OCEAN – 1st Lt. Michael Lopata, the platoon commander with Combined Anti-Armor Team, 1st Battalion, 5th Marine Regiment, 15th Marine Expeditionary Unit, practices using the optics system of a Command Launcher Unit during Composite Training Unit Exercise aboard USS Pearl Harbor (LSD 52), May 6, 2017. These at-sea periods of instruction provide an opportunity to expand upon critical skills needed to accomplish mission essential tasks. COMPTUEX is the second at-sea training exercise prior to the 15th Marine Expeditionary Unit’s Certification Exercise and Western Pacific 17-2 deployment. ( Marine Corps photo by Cpl. F. Cordoba)

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