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First Lt. Casey Garner, left, smiles prior to his graduation from Ranger School Oct. 17, 2014, at Fort Benning, Ga. Garner is a 17th Air Support Operations Squadron air liaison officer. As an ALO, he works in austere environments and helps provide air support while attached to Army units. (U.S. Air Force photo/Airman 1st Class Ryan Callaghan)