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Firing Lines
A Marine with 2nd Battalion, 3rd Marine Regiment fires an AT-4 rocket at an objective during the Battalion Assault Course at Marine Corps Air Ground Combat Center, Twentynine Palms, Calif. Sept. 18, 2013. The three day course included setting a defensive position and a night attack.
(U.S. Marine Corps photo by Cpl. Kevin Jones/Released). Original public domain image from Flickr
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