Dale Earnhardt Jr. meets with the Chairman of the Joint Chiefs of Staff, Gen. Peter Pace, before racing in the Coca Cola 600 at Lowe's Motor Speedway in Charlotte, NC, May 27, 2007. NASCAR invited Gen. Pace to drive the official pace car to pay tribute to the troops. Defense Dept. photo by U.S. Air Force Staff Sgt. D. Myles Cullen (released)