Master Sgt. Jorge A. Narvaez, left, 108th Wing Security

Master Sgt. Jorge A. Narvaez, left, 108th Wing Security Forces, New Jersey Air National Guard, listens as Chief Master Sgt. Juan Claudio, a loadmaster with the 514th Air Mobility Wing, Air Force Reserve, reviews the final list of measurements for a 1982 Mack 1250 GPM pumper fire truck at Mercer Engine No. 3 fire department in Princeton, N.J., July 13, 2016. Narvaez was instrumental in getting the truck donated to a group of volunteer firefighters in Managua, Nicaragua through the Denton Program, which allows U.S. citizens and organizations to use space available on military cargo aircraft to transport humanitarian goods to countries in need. (U.S. Air National Guard photo by Master Sgt. Mark C. Olsen/Released)