Keywords: 110921-M-MM918-002 (6188850013).jpg U S Marine Corps Lance Cpl Justin Downing and Lance Cpl Patrick Walker mortar men with the 3rd Battalion 3rd Marine Regiment brace themselves while firing a 60mm mortar round during Exercise Clear Hold Build 3 on Marine Corps Air Ground Combat Center Twentynine Palms Calif Sept 21 2011 The two-day evolution was part of the Enhanced Mojave Viper training exercise which enabled America Battalions to improve its capabilities as the ground combat element of a Marine Air-Ground Task Force The exercise was their final pre-deployment training event before deploying to Afghanistans Helmand province in support of Operation Enduring Freedom DoD photo by Cpl Reece Lodder U S Marine Corps/Released https //www flickr com/photos/39955793 N07/6188850013/ 110921-M-MM918-002 2011-09-21 15 24 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 N07/6188850013 2016-09-03 13 31 45 United States Government Work Afghanistan Enhanced Mojave Viper Infantry Marine Corps Air Ground Combat Center Twentynine Palms Operation Enduring Freedom Amphibious forces Photographers M224 Mortar |