Navy Adm. James A. Winnefeld Jr., vice chairman of the Joint Chiefs of Staff; Indianapolis Colts head coach Chuck Pagano; television host and actor Jason “Wee Man” Acuna; Winnefeld's wife, Mary; musician Phillip Phillips; singer Diana DeGarmo; singer Ace Young; actor Dennis Haysbert; Miss America Kira Kazantsev; Pittsburgh Steelers guard David DeCastro; Colts tight end Dwayne Allen; and Colts quarterback Andrew Luck sing "God Bless America" on stage during a USO concert on Bagram Airfield, Afghanistan, March 6, 2015. (DoD photo by U.S. Navy Petty Officer 1st Class Daniel Hinton)

More images of the USO 2015 Spring Tour At Bagram Airfield in Afghanistan in the slideshow below.

USO | More USO photos at USA Patriotism! | Poem > USO - There For The Troops