Backstroke Warrior Air Force Tech Sgt. Lara Mastel pushes off for the women’s 50 meter backstroke competition at the 2017 Invictus Games in Toronto, Sept. 29, 2017. DoD photo by EJ Hersom SHARE IMAGE: Download Image: Full Size (2.11 MB) Tags: Invictus Games 2017, Disability Employment Special, INvictus Games 2017 Special, Wounded Warriors, AIR FORCE, Airmen Photo By: EJ Hersom VIRIN: 170930-D-DB155-001I.JPG Photo Gallery