Papua New Guinea Defence Force plumbers and U.S. Air Force Nevada Air National Guard Staff Sgt. Alex Peden, 152nd Civil Engineering Squadron water and fuels system maintainer, install plumbing for a science lab during Pacific Angel 15-4 at Gahuku Primary School in the Eastern Highlands Providence, Papua New Guinea, June 2, 2015. Efforts undertaken during Pacific Angel help multilateral militaries in the Pacific improve and build relationships across a wide spectrum of civic operations, which bolsters each nation???s capacity to respond and support future humanitarian assistance and disaster relief operations. (U.S. Air Force photo by Staff Sgt. Marcus Morris/Released)