Conning Towers-Nautilus Park in Groton in New London County, Connecticut — The American Northeast (New England)

Swimmer Delivery Vehicle (SDV)

Photographed By Michael Herrick, September 14, 2022

1. Swimmer Delivery Vehicle (SDV) Marker

Inscription. Swimmer Delivery
Vehicle (SDV)
Submarines have operated with special
operations teams since the days of WWII
with Underwater Demolition Teams (UDT),
commonly known as "SEALs" (Sea-Air-
Land) are used in a variety of clandestine
operations. Carried in a special watertight
tank "piggybacked" to a submarine, the
*SDV gives the SEAL team a greater
range of stealth, mobility and
endurance.

Topics. This historical marker is listed in these topic lists: Military • Waterways & Vessels.

Location. 41° 23.257′ N, 72° 5.231′ W. Marker is in Groton, Connecticut, in New London County. It is in Conning Towers-Nautilus Park. Marker can be reached from Crystal Lake Road west of Connecticut Route 12 when traveling west. Located at the Submarine Force Library & Museum at the Naval Submarine Base New London. Touch for map. Marker is at or near this postal address: 1 Crystal Lake Road, Groton CT 06340, United States of America. Touch for directions.

Other nearby markers. At least 8 other markers are within walking distance of this marker. Missions NR-1 (here, next to this marker); Submarine NR-1 (a few steps from this marker); USS X-1 (SSX-1) (a few steps from this marker); Japanese Type A (a few steps from this marker); UGM-84 Harpoon (within

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shouting distance of this marker); Sonalysts Submariners (within shouting distance of this marker); Naval Submarine Base New London (within shouting distance of this marker); USS George Washington (SSBN 598) Sail (within shouting distance of this marker). Touch for a list and map of all markers in Groton.

Also see . . .
1. SEAL Delivery Vehicle (Wikipedia). (Submitted on September 23, 2022, by Michael Herrick of Southbury, Connecticut.)
2. US Navy: Submarine Force Museum. (Submitted on September 23, 2022, by Michael Herrick of Southbury, Connecticut.)
3. Submarine Force Library and Museum (Wikipedia). (Submitted on September 23, 2022, by Michael Herrick of Southbury, Connecticut.)

Swimmer Delivery Vehicle (SDV) and Marker image. Click for full size.

Photographed By Michael Herrick, September 14, 2022

2. Swimmer Delivery Vehicle (SDV) and Marker

Credits. This page was last revised on February 10, 2023. It was originally submitted on September 23, 2022, by Michael Herrick of Southbury, Connecticut. This page has been viewed 60 times since then and 14 times this year. Photos: 1, 2. submitted on September 23, 2022, by Michael Herrick of Southbury, Connecticut.