Singer/song writer Scotty Emerick (Left), Lt. Col. Mike Corrado (Middle) Deputy Assistant Chief of Staff G-3, 4th Marine Division and singer/song writer Toby Keith (Right) stand on stage during ACM Presents: An All-Star Salute To The Troops at the MGM Grand Garden Arena on April 7, 2014 in Las Vegas, Nevada. - Singer/song writer Scotty Emerick (Left), Lt. Col. Mike Corrado (Middle) Deputy Assistant Chief of Staff G-3, 4th Marine Division and singer/song writer Toby Keith (Right) stand on stage during ACM Presents: An All-Star Salute To The Troops at the MGM Grand Garden Arena on April 7, 2014 in Las Vegas, Nevada.