sentences:  He would pull all combat forces into Quang Nam and defend Da Nang with the 1st, 3rd and Marine Divisions on line and the 2nd Division in reserve, but this deployment would be approached gradually as divisional troops were relieved in Quang Tri and Thua Thien Provinces and terrain in the southern part of the region was abandoned.On 15 March, the 14th Ranger Group was to begin the relief of the 369th Marine Brigade in Quang Tri Province.While one marine brigade would remain in the Song Bo Valley for the defense of Huế, the 369th Marine Brigade would deploy to Đại Lộc District in Quang Nam Province and relieve the 3rd Airborne Brigade for movement to Saigon.