Gary Sinise and the Lt. Dan Band perform for Wounded Warriors and Randolph Air Force Base personnel during a concert Nov. 6, prior to the Randolph Air Show Nov. 7 and 8. This performance was their last before departing for Afghanistan where they will perform for the troops there Thanksgiving Day. (U.S. Air Force photo/Rich McFadden)

Gary Sinise (right) and Vocalist Jeff Vezain perform with the Lt. Dan Band during a concert Nov. 6 at Randolph Air Force Base. This performance was their last before departing for Afghanistan where they will perform for the troops there Thanksgiving Day. (U.S. Air Force photo/Rich McFadden)

Gary Sinise celebrates with a fan as Chief Master Sgt. Max Grindstaff, 12th Flying Training Wing command chief master sergeant, applauds the performance during the Lt. Dan Band concert at Randolph Air Force Base Nov. 6. (U.S. Air Force photo/Rich McFadden)

Gary Sinise smiles for the cameras in the audience during the Lt. Dan Band concert at Randolph Air Force Base Nov. 6. “Lieutenant Dan" is the character Mr. Sinise portrayed in the 1994 film Forrest Gump, a role for which he earned an Oscar nomination for Best Supporting Actor. (U.S. Air Force photo/Rich McFadden)

Gary Sinise and the Lt. Dan Band perform for Wounded Warriors and Randolph Air Force Base personnel during a concert Nov. 6, prior to the Randolph Air Show Nov. 7 and 8. In the past five years, Mr. Sinise and the band have played an average of 30-40 shows per year with more than 75 percent of those shows for United Services Organization charities or benefits. (U.S. Air Force photo/Rich McFadden)

Gary Sinise gets crowd participation during the Lt. Dan Band concert at Randolph Air Force Base Nov. 6. The Lt. Dan Band covers everything from Aretha Franklin to Linkin Park. (U.S. Air Force photo/Rich McFadden)

Gary Sinise and the Lt. Dan Band perform for Wounded Warriors and Randolph Air Force Base personnel during a concert Nov. 6, prior to the Randolph Air Show Nov. 7 and 8. This performance was their last before departing for Afghanistan where they will perform for the troops there Thanksgiving Day. (U.S. Air Force photo/Rich McFadden)