Military service members hold U.S. flags as a sign of patriotism before the start of the FedEx 400 NASCAR race at the Dover International Speedway, in Dover, Del., June 1, 2014. Military service members hold U.S. flags as a sign of patriotism before the start of the FedEx 400 NASCAR race at the Dover International Speedway, in Dover, Del., June 1, 2014. SHARE: Download: Full Size (1.65 MB) Tags: Photo Essays Credit: VIRIN: 761938-I-UIS33-513.jpg Photo Gallery