Marine Corps Air Station Iwakuni, Japan

Marine Wing Support Squadron 171 heavy equipment operators replace the dirt they extracted practicing to build fighting positions and anti-tank trenches at the Haramura training area near Hiroshima during Exercise Thunder Horse, March 17-22, 2013. Weather added difficult obstacles for operators, as vehicles would get stuck in the mud and clay. - Marine Wing Support Squadron 171 heavy equipment operators replace the dirt they extracted practicing to build fighting positions and anti-tank trenches at the Haramura training area near Hiroshima during Exercise Thunder Horse, March 17-22, 2013. Weather added difficult obstacles for operators, as vehicles would get stuck in the mud and clay.

A Marine from Marine Wing Support Squadron 171 provides security as his fellow Marines search for an improvised explosive device during an afternoon convoy patrol in the Haramura training area as part of Exercise Thunder Horse, March 19, 2013. The convoys tasked Marines in dealing with certain scenarios replicating possible situations encountered in Afghanistan. - A Marine from Marine Wing Support Squadron 171 provides security as his fellow Marines search for an improvised explosive device during an afternoon convoy patrol in the Haramura training area as part of Exercise Thunder Horse, March 19, 2013. The convoys tasked Marines in dealing with certain scenarios replicating possible situations encountered in Afghanistan.

Lance Cpl. Keenen Chapple-Brown, a Marine Wing Support Squadron 171 logistics vehicle systems operator, and Pvt. Zachary Leininger, an MWSS-171 motor vehicle operator, work together to hook up two vehicles together during a professional military education class, which was taught during Exercise Thunder Horse at Penny Lake field here June 23. Exercise Thunder Horse was conducted to train MWSS-171 Marines in motor transport operations and prepare them for the upcoming exercise Haramura slated for July 16-23 in Haramura, Japan. - Lance Cpl. Keenen Chapple-Brown, a Marine Wing Support Squadron 171 logistics vehicle systems operator, and Pvt. Zachary Leininger, an MWSS-171 motor vehicle operator, work together to hook up two vehicles together during a professional military education class, which was taught during Exercise Thunder Horse at Penny Lake field here June 23. Exercise Thunder Horse was conducted to train MWSS-171 Marines in motor transport operations and prepare them for the upcoming exercise Haramura slated for July 16-23 in Haramura, Japan.