Toby Keith, Tim McGraw, and Florida Georgia Line are just a few of the stars expressing their appreciation to the men and women in uniform -- and performing with them -- for the concert special "ACM Presents: An All-Star Salute To The Troops." 

The show was taped last month in Las Vegas, and raised money for the Academy of Country Music's ACM Lifting Lives.  Highlights include a song debut from Carrie Underwood. She co-wrote "Keep Us Safe" specifically for the event.  And when she performs the song it'll be released as a digital single, with proceeds from sales going to Academy's charity. 

Carrie says she's thrilled that she could do something special to honor the troops while supporting such a great organization. 

George Strait, Merle Haggard, The Band Perry, and Kellie Pickler are among the many other performers taking part in the show.  

LL Cool J and Chris O'Donnell serve as hosts for "ACM Presents: An All-Star Salute To The Troops," which will air on CBS Tuesday night at 9:00 p.m. Eastern. 

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