Voices of Service were on a mission during season 14 of America’s Got Talent.The vocal group, comprised of veterans and active duty service members, had an emotional run during the talent contest. They inspired millions along the way, with covers of Katy Perry's "Rise," Wiz Khalifa and Charlie Puth's "See You Again” and other powerful tracks, helping them to a fifth-place finish overall.On Monday night, the vocal act was back on duty with a performance on AGT: The Champions.