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Tech. Sgt. Mario Montoya, 36th Airlift Squadron loadmaster out of Yokota Air Base, Japan, collects any remaining debris after dropping a Low-Cost, Low-Altitude practice bundle during a practice drop as part of Operation Christmas Drop 2019 at Andersen Air Force Base, Guam, Dec. 5, 2019. OCD serves as a training platform for the U.S. Air Force and its partners to better train for humanitarian assistance and disaster relief through the use of LCLA airdrops on unsurveyed drop zones throughout the Pacific.