Air Force Airman 1st Class Alejandra Vargas, left foreground, briefs crew members at Andersen Air Force Base, Guam, during Operation Christmas Drop, Dec. 6, 2016. Vargas is a loadmaster assigned to the 36th Airlift Squadron. U.S., Australian and Japanese aircrews conducted the training event in which C-130 aircrews perform low-altitude airdrops while providing critical supplies to 56 islands. Air Force photo by Senior Airman Delano Scott