01 October

1963 A 38 meter bridge 50 percent completed by Team 0302 was destroyed by Viet Cong in Pleiku Province

1966 NMCB-7 deployed 22 men to Lang Vie to construct hardened defensive positions for ARVN forces. During the period of increased activity along the DMZ, it was necessary to provide fortifications for an observation post at Lang Vie, two miles from the Laotian border. A detail of 1 Officer and 23 Enlisted men constructed six concrete bunkers for the ARVN watch of 200 men overlooking the Ho Chi Minh Trail. Despite difficulty in obtaining aggregate and sand, the project was completed in only six days.
A new crosswind runway was added to the Chu Lai airfield for the 1st Marine Aircraft Wing. This project was started by MCB-4 prior to their departure for the United States in mid-August and was completed by MCB-40 with assistance from detachments of MCB-3 and 6. Operational by 1 October, this construction project included the laying of 96,000 square yards of aluminum matting (AM-2) and the construction of several poured-in-place concrete box culverts to handle the water run-off expected during the monsoon rains. One of these, a triple-box culvert measuring 33 x 273 feet, is the largest concrete structure built by military engineers in the I Corps area. Additional work completed by MCB-4 at Chi Lai included a runway centerline lighting system which required the underground installation of more than eight miles of lighting cable.

1967At 0645 NMCB-74 Detail tango received 5 82mm mortar rounds and automatic weapons fire wounding 1 Seabee. At 0730, NMCB-74 Detail Tango received 8 more mortar rounds and 200 rounds of machine gun fire. A bridge was blown at AT 849002 and one pier of a bridge was blown at ZD 198010.
LTJG G.E. Richey and four men comprising the Advance Party of NMCB-7s Detail Charie departed for Nakhon Phanom Royal Air Force Base, Thailand.
NMCB-3 awarded one Purple Heart.
MCB-9 relieved MCB-4 and commenced its third consecutive deployment to RVN, near Da Nang.
One officer and 27 men, known as Detail Charlie One, deployed to the Royal Thai Air Force base at Nakhom Phanom, Thailand, on October 1 to construct a special operation billet. The main structure was an H-shaped building consisting of two wings 28 feet by 170 feet each, connected by a 28 foot by 60 foot center section.
The CBMU-301 A Company Shop at the Dong Ha Base Camp , a 40x100 Pasco bldg, was completed.
CBMU-302 Detail Alpha deployed to Qui Nhon on 1 October 1967, Strength varied between five and thirty men. Major construction included a road to the top of a mountain on which was located a Harbor Entrance Control Post and a 40x100 boat repair shop. Numerous smaller construction tasks and maintenance of facilities and transportation equipment occupied the rest of the Details time

1968A major portion of NMCB-11s work load during the 1968-1969 deployment was the MER program in and around the Quang Tri Combat Base. The goal of the project, which was going on throughout I Corps, was to insure that all toops had adequate facilities in which to live prior to the beginning of the monsoon rains. Called Minimum Essential Requirements, the project was designed to provide all units in the area with SEA huts, mess halls, and showers.
The project was of such large scope and required completion in such a short time frame that five other in-country battalions were tasked to provide 50-man detachments to augment NMCB-11s vertical construction capabilities. Battalions assisting in the effort were NMCBs 1, 8, 71, 74, and 133. In order to complete the project in the shortest possible time fuul utilization was made of assembly line techniques. All units for whom the facilities were built were called upon to furnish equipment assistance in moving the prefabricated units to the site and selp-help personnel to aid in the construction. All companies operated pre-cut, pre-fab yards on a twenty four hour a day basis and the Battalion swung into seven day a week effort to beat the monsoons.
NMCB-11s prortion of the overall project was concentrated th three locations; Camp Red Devil, Landing Zone Sharon, and Quang Tri Combat Base proper. Development of Camp Red Devil for the First Brigade, Fifth Infantry Division (Mechanized) was from the ground up. Located on Hill 12 northwest of QTCB, the camp area was entirely virgin territory. Construction started with the pioneering of a road to the hill and then expandin the road to a permanent facility with an 80 timber bridge. While work on the road and bridge continued, actual construction of the camp began. Camp Red Devil, when completed, consisted of 278 living/admin structures, 17 mess halls, 20 showers, 28 latrines, and 16 bunkers
Construction at LZ Sharon involved adding facilities to an existing camp which consisted primarily of tents. A pre-cut, pre-fab yard was set up at the site and raw materials were transported in bulk for fabrication. Using helicopters provided by the First Air Cavalry Division, tenants at the site, materials and men were ferried t the job site by air when typhoon rains closed the roads. A Total of 321 SEA huts, 42 mess halls, 12 dispensaries, 30 showers, and 36 latrines were constructed in the area.
On the QTCB itself, construction consisted of both upgrading of existing areas and developing new ones. A total of 1060 SEA huts, 20 showers, 6 mess halls, and 178 latrines as well as 17,400 sq. ft. of decking and 900 feet of revetments for the 18th Surgical Hospial were built.
All other construction projects were postponed during the MER Program and upon its completion NMCB-11 returned to those projects and the normal 6 day work week.
NMCB-74s two Seabee Teams provided technical assistance and spread good will in villages near Saigon. Team 7401 was awarded the Vietnamese Award of Excellance for its accomplishments. It was picked from 14 other Seabee Teams in Vietnam.
At 0820 an NMCB-7 Recon Patrol from Sector II observed 5 NVA in brown utilities moving 1000 meters south of the Song Vinh River (YD 243566). The Patrol coordinated with Division Recon who later ambushed the group killing three. A Well Drilling crew from NMCB-133, while operating at A-1, encountered a mortar attach sustaining 1 WIA/EVAC
NMCB-133s Detail Zulu returned to the battalion base camp at Phu Bai after completing 142 SEA huts at Quang Tri

1969Ceremonies marking the completion and opening of NMCB-58s Civic Action provided school facilities on Cu Lao Re Island.
NMCB-58 Detail Kilo, consisting of 8 men, rejoined the Battalion at Camp Shields upon completion of their Special Forces Runway Repair project.
NMCB-58 Detail Lima, consisting of 15 men, rejoined to Camp Shields upon turnover of the Special Forces Runway repair project to NMCB-7.
NMCB-58 Detail Quebec, consisting of 86 men, rejoined the Battalion at Camp Shields after turning over the Cam Lo Rock Crusher facilities to NMCB-74.
27.5 inches of rain fell on the Camp Evans area causing heavy flooding and potential damage to timber bridges. To prevent damage, NMCB-11 personnel worked continuously to clear debris piling up on upstream side of bridges. The effects of the storm continued until 09 October

1970 NMCB-5s Detail Yankee transferred from Camp Haskins North to Camp haskins South. Detail Yankee was relieved by elements of the Third Marine Amphibious Force (IIIMAF).
NMCB-5s Detail Tango completed construction at Chu Lai and returned to Camp Haskins North, Da Nang.
Seabee Team 0317 deployed to Yap, Trust Territories of the Pacific Islands via government aircraft.

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