U.S. Marine Corps Master Sgt. William Gibson, a veteran who was wounded in the Iraq war, helps located a Christmas tree at the apex of the Vietnam Veterans Memorial December 20, 2010 in Washington, DC. The Christmas tree was decorated with hand made cards and ornaments made by schoolchildren from around the United States. (Photo by Win McNamee/Getty Images)
U.S. Marine Corps Master Sgt. William Gibson, a veteran who was wounded in the Iraq war, helps located a Christmas tree at the apex of the Vietnam Veterans Memorial December 20, 2010 in Washington, DC. The Christmas tree was decorated with hand made cards and ornaments made by schoolchildren from around the United States. (Photo by Win McNamee/Getty Images)