Alex Jones and JJ Chalmers look ahead to the 2018 Invictus Games in Sydney, Australia. Since Prince Harry launched the Invictus Games in 2014, the event has gone from strength to strength. This year, more than 500 injured, ill and wounded military personnel from 18 countries have gathered for the fourth edition of the games. Members of the UK team share their inspiring stories of how the power of sport has transformed their lives.