The ACM Presents: An All-Star Salute to the Troops will include performances by Merle Haggard, George Strait, Carrie Underwood, Florida Georgia Line, Lady Antebellum and The Band Perry. More acts will be added to the bill soon.

Tickets for the April 7th taping at Las Vegas's MGM Grand Garden Arena are on sale now. Proceeds will benefit the ACM's charity initiative ACM Lifting Lives. The special airs on May 20th on CBS.