Defensive Position A unit from Battalion Landing Team 1/4 establishes a night defensive position in the middle of a broad expanse of muddy rice paddies in Vietnam during Operation Deckhouse VI in 1967. The Marine in the foreground has obtained a non-issue rifle, which rests against a pack on the ground. SHARE IMAGE: Download Image: Full Size (0.09 MB) Photo By: Marine Corps photo VIRIN: 201211-M-ZZ999-059.JPG Photo Gallery