A book cover with a photograph honors the memory of David Laurence Yaggy, a Marine Corps major who died March 14, 2008, while serving as a flight instructor on a training mission, during the 2014 Tragedy Assistance Program for Survivors Honor Guard Gala at the National Building Museum in Washington, D.C., March 27, 2014. A book cover with a photograph honors the memory of David Laurence Yaggy, a Marine Corps major who died March 14, 2008, while serving as a flight instructor on a training mission, during the 2014 Tragedy Assistance Program for Survivors Honor Guard Gala at the National Building Museum in Washington, D.C., March 27, 2014. SHARE: Download: Full Size (2.51 MB) Tags: Photo Essays Credit: VIRIN: 452948-B-AGT94-742.jpg Photo Gallery