181013-N-YR245-0113 OXNARD, Calif. (Oct. 13, 2018) Retired U.S. Army Staff Sgt. Michael Kacer throws a discus during track and field practice at Oxnard College for the 2018 Invictus Games being held in Sydney, Australia, Oct. 20-27. The games will feature more than 500 competitors representing 18 nations; all competitors will be active duty or veteran service members from participating nations who became wounded, injured or ill during or as a direct consequence of their service. (U.S. Navy photo by Mass Communication Specialist 2nd Class Craig Z. Rodarte/Released)