A Zambian Air Force Airman trains on the night vision goggles with members of the 818th Mobility Support Advisory Squadron in Lusaka, Zambia, May 31, 2017. The MSAS illustrates the U.S. commitment with regional partners in ways that expand cooperation between counterparts, bolster partner nation capacity, enhance trust and transparency, and create cooperative solutions. (U.S. Air Force photo by Tech. Sgt. Gustavo Gonzalez/RELEASED)