Consolidated by U.S. Navy Seabee Museum, Naval History and Heritage Command
1942: 36th NCB arrives at Camp Peary, Magruder, Virginia, the first Seabee unit to train at the camp.
1945: 117th NCB inactivated at Saipan.
1968: Seabee Team 0310 moved from Long Xuyen to Bac Lieu, RVN via convoy.
1969: NMCB 1 deployed from Camp Campbell, Phu Bai, RVN to Camp Haskins North, Da Nang, RVN. NMCB 1 relieved of command of Camp Campbell by Headquarters Company, 101st Airborne Division. NMCB 1 assumed command of Camp Haskins North from NMCB 53.
1942: Camp Peary established in Williamsburg, Virginia, named in honor of Rear Admiral Robert E. Peary, Civil Engineer Corps (CEC), U.S. Navy.
1944: 6th NCR inactivated.
1945: 9th Naval Construction Brigade inactivated.
1971: Seabee Teams 1019 and 1020 were disestablished. Seabee Teams 1021 and 1022 were established and organized with the 31st NCR Port Hueneme, California.
2004: Rear Adm. Robert L. Phillips, CEC, USN, relieved Rear Adm. Charles R. Kubic, CEC, USN, as Commander, First Naval Construction Division at Naval Amphibious Base Little Creek, Norfolk, Virginia.
1942: 40th NCB (Naval Construction Battalion) commissioned at Camp Endicott, Davisville, Rhode Island.
1971: Seabees of Naval Mobile Construction Battalion (NMCB) 5 arrived at their homeport of Port Hueneme, California. This was the last full battalion to depart from Vietnam. Their departure marked the end of a significant chapter in the Seabee effort in Vietnam, an effort which began at Chu Lai in 1965 and resulted in the construction of approximately $200 million worth of facilities in support of U.S. forces.
1942: Seabees encountered their first combat in the European theater of operations when they landed with the assault forces on the beaches of North Africa. The Seabees built facilities at Oran, Casablanca, Safi, and Fedala. Later, as the American Army moved across Africa toward Tunisia and the final showdown with the Germans, the Seabees built staging and training areas along the coast as far as Arzeu. On the west coast of Africa, the Seabees built a huge Naval Air Station in Port Lyautey, Morocco and supplementary air and supply bases at Agadir and Casablanca. Through these later ports poured materials, men, and equipment needed for the coming invasion of Sicily and the Italian mainland.
1944: 13th Naval Construction Regiment (NCR) inactivated.
1945: 20th Naval Construction Battalion (NCB) inactivated on Okinawa.
1969: Seabee Teams 1113 and 1114 transferred to NMCB 3 to become Seabee Teams 0315 and 0316, respectively, due to disestablishment of NMCB 11.
1971: Seabee Teams 1021 and 1022 commenced Seabee Team Training.
1945: 26th Special NCB inactivated on Oahu, Hawaii.
1965: NMCB 4 transferred to Commander, Naval Construction Battalions, U.S. Pacific Fleet (COMCBPAC) from Commander, Naval Construction Battalions, U.S. Atlantic Fleet (COMCBLANT).
1970: NMCB 3 main body flights consisting of three passenger flights and two cargo flights departed Port Hueneme, California and arrived at Camp Haskins South, Republic of Vietnam (RVN).
1971: 3rd Naval Construction Brigade officially disestablished.