Ready for Takeoff U.S. and Canadian soldiers wait for takeoff after uploading an Avenger air defense system, which uses surface-to-air missiles to provide protection for ground units, onto a Canadian air force Globemaster III aircraft in Greenville, S.S., Aug. 13, 2016. Army National Guard photo by Staff Sgt. Roby Di Giovine SHARE: Download: Full Size (1.58 MB) Credit: Staff Sgt. Roberto Di Giovine VIRIN: 160813-Z-II459-013A.JPG Photo Gallery