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Air, Land, Sea
Lance Cpl. Zachery Johnson prepares to engage targets from a UH-1Y Venom during Amphibious Squadron/Marine Expeditionary Unit Integration Training above San Clemente Island Feb. 28, 2015. Johnson is a crew chief with Marine Medium Tiltrotor Squadron 161, 15th Marine Expeditionary Unit.
(U.S. Marine Corps photo by Sgt. Jamean Berry/Released). Original public domain image from Flickr
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