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None Shall Pass
Bulgarian and Serbian soldiers don riot-control gear and prepare to face-off with an unruly crowd of Marines during a Platinum Wolf 15 training scenario at South Base, Serbia Nov. 19. Platinum Wolf is a peacekeeping operations training exercise focused on non-lethal systems and basic infantry skills. (U.S. Marine Corps photo by Sgt. Derrick Irions/Released). Original public domain image from Flickr
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