(Carlos Vazquez/Stars and Stripes)

Okinawa, Japan, Dec. 4, 2018: A Marine with the 9th Engineering Support Battalion takes part in a drill at the Jungle Warfare Training Center. Engineers of four specialized companies camped out in the jungle and participated in a weeklong exercise that began Dec. 2 and consisted of rappelling steep mountain terrain, patrolling, land navigation, rope work and other basic-to-intermediate jungle environment skills.

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