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U.S. Marine Corps Lance Cpl. Ryan Barber, a tactical switch operator with Marine Wing Support Squadron (MWSS) 171, digs a ditch at Haramura, Japan, Sept. 30, 2017. MWSS-171, stationed out of Marine Corps Air Station Iwakuni, kicked off exercise Kamashika Wrath. The exercise helps Marines test mission performance and prepare for real-world situation. The ditch helped cover wires to provide electricity to tents.