sentences:  From 6-15 January 1967 the 3rd and 4th Marine Battalions participated in Operation Deckhouse Five with the 1st Battalion, 9th Marines in Kiến Hòa Province.From 27–31 July 1967 the 3rd Marine Battalion participated in Operation Coronado II with the 44th Ranger Battalion and the US Mobile Riverine Force (MRF) against VC units in the Mekong Delta.From 15–19 November 1967 the 5th Marine Battalion participated in Operation Kien Giang 9-1 with the ARVN 7th and 9th Divisions and the MRF against the VC 263rd Battalion's Base Area 470 in western Định Tường Province.