Underwater Construction Teams

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970216-N-3093M-002 Hands-on Underwater Construction Training
Seabees at Gavutu, Solomon Islands November 8, 1943 installing a marine railway utilizing field fabricated diving gear.
Joint UCT-1 and UCT-2 training exercise off the USAV Matomoros
US Navy 030316-N-4309A-017 Members of Underwater Construction Team 2 prepare an explosives training exercise at a remote site in Kuwait

Underwater Construction Teams (UCT) are the Navy Seabee's underwater construction units numbered 1 and 2 that were created in 1974. A team is composed of divers qualified in both underwater construction and underwater demolition. Possible tasks can be: battle damage repairs, structural inspections and accessments, demolition of waterline facilities or submerged obstructions, installation of submerged surveillance systems, or harbor and channel clearance. As needed, teams may test and or evaluate new or existing aquatic systems or equipment. Extending construction, whether vertical or horizontal, beyond the shoreline and waterline is their specialty.[1] Reflecting Seabee tradition, teams are expected to execute underwater construction anywhere, anytime, under any conditions.

History[]

Almost as soon as Naval Construction Battalions were created submerged construction tasks were being brought to the Seabees. In 1942 a second class divers school was created at Camp Peary and Seabees have fielded divers ever since. WWII battalions typically had a complement of 4 qualified divers. In the field, CBs would tap other battalions for additional divers to get the job done as needed.[2] It was common for battalions to not have organic diving gear. Divers were taught in diving school how to fabricate a breathing apparatus from Navy MK-III gas masks for surface support. Most of the work was in less than 60' of water, but the WWII cruisebooks indicate men pushed the limits of what they could do with what they had. [3] Divers in the 301st CB placed as much as 50 tons of explosives a day to keep their dredges productive.[4] However, the divers of CB 96 used 1,727,250 lbs of dynamite to blast 423,300 cubic yards of coral for the ship repair facility on Manicani Island, as an element of the Naval Operating Base Leyte-Samar.[5] Their primary diving gear was modified Navy Mk III and Navy Mk IV gas masks.[5]

At Chu Lai in 1967 MCB 71 had an Under Water Construction Team search the Tra Bong River for a missing Squad of Marines that the Marines wanted back no matter what.[6] Their efforts made publication in Stars and Stripes.

Diving Commands[]

UCT divers are attached to five principal commands outside the NCF:

The UCTs have a Shore Duty component and a Sea Duty component. Sea Duty personnel are divided into three Air Detachments that deploy worldwide in support of both peacetime or combat missions as needed. The Shore Duty component contains all of the staff and support functions such as Administration, Supply, Logistics, Table of Allowance Maintenance, and Training.

Underwater Construction Technicians[]

US Navy 080628-N-3560G-266 A Navy diver from Underwater Construction Team 2 plays tic-tac-toe with children from the inside of a water tank during Seabee Days

UCT training is 26 weeks at Dive school in Panama City, Florida. There is a tactical training phase for advanced expeditionary combat skills and demolitions.[9]

After Basic Underwater Construction Technician training a diver is qualified as a (2nd Class Diver). UCTs are members of the Naval Special Operations (NSO) community, however tactical operations are almost never a Seabee task.[10]

With their skills sets UCTs can deploy to support a Naval Special Warfare Command, either with SEAL teams, Special Boat Teams, Navy EOD Teams, or other dive elements. They also can apply for selection to support Naval Special Warfare Development Group.[11]

Diver Qualification Insignia[]

Seabee Underwater Construction Technicians Insignia
Master diver badge
Master Diver
First class diver badge
1st Class Diver
Second class diver badge
2nd Class Diver
Diving officer badge
Diving Officer
The 301st CB was unique in WWII for recognizing Seabee divers with the unit insignia

Diver : is a qualification that the various rates can obtain with three grades: Basic Underwater Construction Technician/ NEC 5932 (2nd Class Diver), Advanced Underwater Construction Technician/ NEC 5931 (1st Class Diver), and Master Underwater Construction Technician/ NEC 5933 (Master diver).[9]

See also[]

References[]

  1. ^ "Navy COOL Summary - UCT - Underwater Construction Technician". cool.navy.mil. Retrieved 30 November 2020.
  2. ^ "History - National Seabee Divers Association". seabeedivers.org. Retrieved 30 November 2020.
  3. ^ cruisebook, Naval Construction Battalion 74, Seabee Museum Archives, Port Hueneme, CA, Jan. 2021[file:///C:/Users/Steve/Downloads/74%20%20NCB%20(1).pdf]
  4. ^ 301st Naval Construction Battalion cruisebook, U.S. Navy Seabee Museum Archives, Port Hueneme,CA, 2020-01-22, p. 60, 61[1]
  5. ^ Jump up to: a b CEC Bulletin, Vol. 2 February 1948 No. 15, Lt jg. Cushing Phillips, p. 45 [2]
  6. ^ Seabee 71 in Chu Lai, David H. Lyman, McFarland & Company, Inc., Jefferson, North Carolina, 2019
  7. ^ Jump up to: a b c d U.S. Navy Diving, Lesson N2b.v2, United States Naval Academy, Spring 2012, Seabee Diver/CEC [3]
  8. ^ Issue No. 1, 2005, Seabee Magazine, p. 19, Naval Facilities Engineering Command, Washington Navy Yard DC [4]
  9. ^ Jump up to: a b "Navy Seabee UCT Diver Challenge Program". www.navycs.com.
  10. ^ LT Jason Glover, CEC, USN (22 March 2013). "What is an Underwater Construction Technician?" (PDF). Retrieved 30 November 2020.CS1 maint: multiple names: authors list (link)
  11. ^ "Recruitment/Assignment To Commander, Naval Special Warfare Development Group (COMNAVSPECWARDEVGRU)" (PDF). U.S. Navy BuPers. Retrieved 18 October 2017.
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