Keywords: 121213-M-OM885-016 (8273242504).jpg U S Marines with the 1st Battalion 11th Marine Regiment fire a M142 High Mobility Artillery Rocket System HIMARS a truck mounted multiple-rocket launcher system during exercise Steel Knight at Marine Corps Base Camp Pendleton Calif Dec 13 2012 The battalion conducted the live-fire exercise using HIMARS M777 Lightweight Howitzer and Expeditionary Fire Support System It was the first time all three artillery weapons systems were fired during the same exercise DoD photo by LCpl Joseph Scanlan U S Marine Corps/Released https //www flickr com/photos/39955793 N07/8273242504/ 121213-M-OM885-016 2012-12-13 11 21 https //www flickr com/people/39955793 N07 U S Department of Defense Current Photos PD-USGov U S Department of Defense Current Photos https //flickr com/photos/39955793 N07/8273242504 2016-09-03 09 34 49 United States Government Work 11th Marine Regiment United States High Mobility Artillery Rocket System Firing rocket artillery |