After the Tarawa, Rear Admiral Richmond K. Turner directed the formation of nine Underwater Demolition Teams.

This group became Underwater Demolition Teams ( UDT ) ONE and TWO.

Most SEALs came from the Navy's Underwater Demolition Teams, who had already gained extensive experience in commando warfare in Korea ; however, the Underwater Demolition Teams were still necessary to the Navy's amphibious force.

The SEALs attended Underwater Demolition Team replacement training and they spent some time training in UDTs.

course known as Basic Underwater Demolition / SEAL ( BUD / S ) school and then the 28-week SEAL Qualification Training ( SQT ) program.

Churchill presented his fins to the US Navy, who decided to acquire them for its Underwater Demolition Team ( UDT ).

In May 1941, British colleagues helped establish the Naval Mine Disposal School at the Naval Gun Factory, Washington, D. C. Not to be outdone, the U. S. Navy, under the command of Lt. Draper L. Kauffman ( who would go on to found the Underwater Demolition Teams better known as UDTs or the U. S. Navy Frogmen ), created the Naval Bomb Disposal School at University Campus, Washington, D. C. U. S. Ordnance and British Royal Engineers would forge a partnership that worked quite effectively in war a friendship persisting to this day.

At about 00: 00 on 17 April 1961, the two CIA LCIs Blagar and Barbara J, each with a CIA ' operations officer ' and an Underwater Demolition Team ( UDT ) of five frogmen, entered the Bay of Pigs ( Bahía de Cochinos ) on the southern coast of Cuba.

* Frogman Operations: Decima Flottiglia Mas, Underwater Demolition Team, Human Torpedo, Sinking Of The Rainbow Warrior, Russian Commando Fro

Churchill presented his fins to the US Navy, which decided to acquire them for its Underwater Demolition Team ( UDT ).

* Διοίκηση Υποβρυχίων Καταστροφών ( ΔΥΚ ) Underwater Demolition Command

After successful completion of Basic Underwater Demolition / SEAL training ( BUD / S ), he joined the elite community of Naval Special Warfare and qualified as a Navy SEAL.

APDs were intended to deliver small units such as Marine Raiders, Underwater Demolition Teams and United States Army Rangers onto hostile shores.

They transported troops to beachheads, served as escorts for transports and supply vessels, conducted anti-submarine patrols and survey duties, operated with Underwater Demolition Teams and commando units, performed messenger and transport duties, conveyed passengers and mail to and from forward units, and were involved in mine sweeping operations.

The Underwater Demolition Teams ( UDT ) were an elite special-purpose force established by the United States Navy during World War II.

Weeks before the invasion, all available Underwater Demolition men were sent from Fort Pierce to England.

Admiral Kelly Turner, the Navy's top amphibious expert, ordered the formation of nine Underwater Demolition Teams.

In April, Draper Kauffman was transferred from Fort Pierce to command UDT 5 and serve as senior staff officer, Underwater Demolition Teams, Amphibious Forces, and Underwater Demolition Training Officer, Amphibious Training Command.

Underwater Demolition Badge

** Russian APS Underwater Assault Rifle

The APS Underwater Assault Rifle ( APS stands for Avtomat Podvodnyy Spetsialnyy ( Автомат Подводный Специальный ) or " Special Underwater Automatic ") is an AK-47 derivative designed by the Soviet Union in the early 1970s as an underwater firearm.

Therefore, at the end of the 1980s the ASM-DT Underwater Assault Rifle was developed.

de: APS Underwater Assault Rifle

Frogman with a Russian IDA71 rebreather, riding a Protei 5, carrying a Russian APS Underwater Assault Rifle

* APS Underwater Assault Rifle.

Divers were initially attached to the Underwater Research and Development Unit, based at.

PC Kenny McMahon, a member of the North West Police Underwater Search Unit, said " Wastwater is quite clear at the bottom, but there's nothing to see.

However, it is an old anchor, which reminds the SEAL's that their roots lie in the valiant accomplishments of the Naval Combat Demolition Unit and Underwater Demolition Teams.

*** Underwater Escape Training Unit

* North West Police Underwater Search & Marine Unit

Consortium, one of the vessels used by the UK's North West Police Underwater Search & Marine Unit.

A Cheetah catamaran acquired by the UK's North West Police Underwater Search & Marine Unit in 2012, to be used during the 2012 Summer Olympics | London Olympics.

A rigid-hulled inflatable boat ( RIB ) used by the UK's North West Police Underwater Search & Marine Unit.

** Ontario Provincial Police-regional Marine Units and Underwater Search and Recovery Unit

** Ottawa Police Service Marine / Underwater Unit

** North West Police Underwater Search & Marine Unit

* North West Police Underwater Search & Marine Unit

In 1953, Sea Supply, a CIA front company, was tasked with supporting the initial training of the Royal Thai Navy's Underwater Demolition Team and also the Royal Thai Police Aerial Reinforcement Unit.

* Underwater Search Unit ( Grampian's Underwater Search Unit is the regional USU for Grampian, Northern Constabulary, and Tayside Police.

* North West Police Underwater Search & Marine Unit

It is a combined detachment formed from selected personnel of the Navy's Underwater Special Unit ( Kopaska ) and the Marine Corps ' Amphibious Reconnaissance Battalion ( KIPAM aka Yontaifib ).

and tested at the Royal Naval Air Station, Yeovilton, on the Underwater Escape Training Unit ( UETU ) otherwise known as ‘ The Dunker ’.