From left to right, Lieut. Col. Ross Coffey, deputy commanding officer, 3rd U.S. Infantry Regiment (The Old Guard), Sgt. 1st Class Chad Stackpole, Echo Company Platoon Sgt., 4th battalion, 3rd U.S. Inf. Reg., Lance Armstrong, seven-time Tour de Franc...

Col David Anders (right), commander, 3rd U.S. Infantry Regiment (The Old Guard) presents Lance Armstrong (left), seven-time Tour de France champion, with a personalized token of appreciation for joining the unit on a 5-mile run in and around Fort Mye...

From left to right, Command Sgt. Maj. Jeffery Stitzel, 3rd U.S. Infantry Regiment (The Old Guard), Command Sgt. Maj., seven-time Tour de France champion Lance Armstrong and Col. David P. Anders, commander, 3rd U.S. Inf. Reg. Lance Armstrong later par...

Lance Armstrong, seven-time Tour de France champion, poses with a cancer survivor from 3rd U.S. Infantry Regiment (The Old Guard) on Fort Myer, Va., 24 March 2011. Lance Armstrong spoke with cancer survivors after participating in a 5-mile Old Guard...

Lance Armstrong, seven-time Tour de France champion, poses with a cancer survivor from 3rd U.S. Infantry Regiment (The Old Guard) on Fort Myer, Va., 24 March 2011. Lance Armstrong spoke with cancer survivors after participating in a 5-mile Old Guard...