Loss of sight fails to hinder vision of future

U.S. Marine Corps Gunnery Sgt. Dorian Gardner, training and operations chief with the Headquarters U.S. Marine Corps Training Command Public Affairs office, swims the freestyle during practice for the 2017 Invictus Games in Toronto, Canada, Sept. 22, 2017. Gardner is one of the nearly 80 athletes who comprise this year’s U.S. team. (U.S. Army photo by Pfc. Seara Marcsis)