Posted: 10/01/2009
Machine guns fire red tracer rounds at enemy vehicles with an illumination flare overhead, Sept. 27, 2009 at U.S Marine Corps Air Ground Combat Center Twentynine Palms, Calif. The 1st Battalion, 3rd Marine Regiment, concluded the second phase of the Clear, Hold, Build Exercise after five days of combined arms urban operations. U.S. Marine Corps photo by Sgt. Brian A. Tuthill
