U.S. Army helicopters providing support for U.S. ground troops fly into a staging area fifty miles northeast of Saigon, Vietnam in January of 1966. (AP Photo/Henri Huet, File)
U.S. Army helicopters providing support for U.S. ground troops fly into a staging area fifty miles northeast of Saigon, Vietnam in January of 1966. (AP Photo/Henri Huet, File)