Academy of Country Music and the USO host a free concert at Nellis AFB

NELLIS AIR FORCE BASE, Nev. -- Montgomery Gentry perform to a packed crowd at the Nellis Sports Pavilion Saturday, April 17, 2010. Montgomery Gentry headlined the free concert hosted by the Academy of Country Music's charitable arm "Lifting Lives" and the USO. (U.S. Air Force photo by Tech. Sgt. Michael R. Holzworth)

Country Music stars tour the 99th Ground Combat Training Squadron

NEVADA TEST AND TRAINING RANGE -- Staff Sgt. Korey Hampton a combat arms instructor assigned to the 99th Ground Combat Training Squadron shows country music singer LeAnn Rimes how to fire a M240B machine gun at the 99th GCTS firing range April 17, 2010. The Academy of Country Music and the USO toured the 99th GCTS before performing a free concert at Nellis Air Force Base. (U.S. Air Force photo by Tech. Sgt. Michael R. Holzworth)

Academy of Country Music and the USO host a free concert at Nellis AFB

NELLIS AIR FORCE BASE, Nev. -- Singer, James Otto performs a new single "Soldiers of Jesus" during the Academy of Country Music's USO concert at Nellis Air Force Base April 17, 2010. (U.S. Air Force photo by Tech. Sgt. Michael R. Holzworth)

Academy of Country Music and the USO host a free concert at Nellis AFB

NELLIS AIR FORCE BASE, Nev. -- Singer, Dierks Bentley performs onstage during the Academy of Country Music's USO concert at Nellis Air Force Base April 17, 2010. (U.S. Air Force photo by Tech. Sgt. Michael R. Holzworth)

Academy of Country Music and the USO host a free concert at Nellis AFB

NELLIS AIR FORCE BASE, Nev. -- Over 50 motorcycles role into the Nellis Sports Pavilion for a free concert hosted by the Academy of Country Music's charitable arm "Lifting Lives" and the USO April 17, 2010. Nellis Airmen joined with country music stars for the Academy of Country Music Chairman's Ride in support the "Lifting Lives" charity. (U.S. Air Force photo by Tech. Sgt. Michael R. Holzworth)

Country Music stars tour the 99th Ground Combat Training Squadron

NEVADA TEST AND TRAINING RANGE -- Staff Sgt. Joshua Svendsen, a combat arms instructor assigned to the 99th Ground Combat Training Squadron assists country music singer Eddie Montgomery to fire a 50 caliber machine gun from atop a HUMVEE at the 99th GCTS firing range April 17, 2010. The Academy of Country Music and the USO toured the 99th GCTS before performing a free concert at Nellis Air Force Base. (U.S. Air Force photo by Tech. Sgt. Michael R. Holzworth)