U.S. Air Force Senior Airman Zack Lewis, Oregon Air National Guard Civil Engineer Squadron structural maintenance journeyman, entertains local youths at South Tinh Phong primary school, Quang Ngai province, Vietnam, during an engineering project March 26, 2015. This is the fifth time Operation Pacific Angel has partnered with the host nation to provide humanitarian assistance and disaster relief in the region. (U.S. Air Force photo by Staff Sgt. Tong Duong/ Released)
Senior Airman Tong Duong
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