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Dark Waters
Marines with 31st Marine Expeditionary Unit conduct a nighttime boat operation exercise using a Combat Rubber Raiding Craft as part of Amphibious integration Training aboard the USS Green Bay, at sea, March 11, 2015. The Marines and sailors are currently conducting their spring patrol of the Asia-Pacific region.
(U.S. Marine Corps photo by Gunnery Sgt Ismael Pena/Released). Original public domain image from Flickr
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