Walter Reed Several military leaders toss their command coins into wet concrete, Sept. 18, 2008. The concrete serves as part of the foundation for Building A of the Walter Reed National Military Medical Center at Bethesda, Md. SHARE IMAGE: Download Image: Full Size (1.12 MB) Tags: Bethesda, NNMC, National Naval Medical Center, Admiral Nathan, Coin toss, Adm. Nathan Photo By: Petty Officer 2nd Class Marcus Suorez VIRIN: 080918-N-ZZ999-011.JPG Photo Gallery