U.S. Airmen with the 36th Airlift Squadron discuss flight plans in the cargo bay of a C-130 Hercules aircraft before an Operation Christmas Drop mission from Andersen Air Force Base, Guam, Dec. 11, 2013. Operation Christmas Drop has been an Air Force tradition since 1952, delivering presents, food and clothing to about 30,000 people on more than 50 islands scattered across Micronesia each year.