French forces Sgt. Jerome Dousse, 5th Marine Regiment, carries Sgt. Steven Rey down a training wall while U.S. Marine Master Sgt. Chris Brueggeman, 24th Marine Expeditionary Unit assault climbing instructor, supervises July 22. The French and U.S. Marines participated in an assault climbing course in the rugged terrain of the Arta Range July 19 - 30. - French forces Sgt. Jerome Dousse, 5th Marine Regiment, carries Sgt. Steven Rey down a training wall while U.S. Marine Master Sgt. Chris Brueggeman, 24th Marine Expeditionary Unit assault climbing instructor, supervises July 22. The French and U.S. Marines participated in an assault climbing course in the rugged terrain of the Arta Range July 19 - 30.