A McChord Air Force Base C-17 airdrops Containerized Delivery System bundles to the South Pole. The C-17 is part of 13th Air Force-led Operation Deep Freeze, a unique joint and total force mission that has supported the National Science Foundation and U.S. Antarctic Program since 1955. By validating the C-17 capability to complete airdrop missions at the Geographical South Pole, Joint Task Force-Support Forces Antarctica demonstrated its ability to provide mid-winter emergency re-supply and flexible support to the National Science Foundation and U.S. Antarctica Program. (Courtesy photo by Forest Grant, IceCube Project)