Saturday, June 25, 1966 25 June 1966 In Vietnam, Operation Jay began about 30 kilometers northwest of Hue, and lasted nine days. The 2d Battalion, 4th Marines landed north of the North Vietnamese 812th Main Force Battalion, and the 2d Battalion, 1st Marines landed south of the enemy's position. Caught in between the two Marine units, the enemy suffered over 80 dead in nine days of fighting. Print