In December 1917, 19 sailors serving US submarines during World War I made the ultimate sacrifice during their training mission.
Perhaps appropriate, scientists took a photo they had never seen before in front of a watery resting spot off the coast of California anniversary.
The US Navy submarine, the USS F-1, went down after a collision with its sister ship on December 17, 1917, and is now 1,300 feet below the surface of the seabed off San Diego.
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“It was a very exciting and humble experience to visit these historically important shipwrecks and respect the sacrifices of these brave American sailors.” Underwater archaeologist Brad Kruger said in a statement.
“All us at NHC are grateful for this collaboration, which also allowed us to document and evaluate the condition of our craft.”
In December 1917, 19 sailors serving US submarines during World War I made the ultimate sacrifice during their training mission. Photogrammetric reconstruction of the USS F-1 submarine, located on the seabed west of San Diego, as shown above. (Zoe Darlon; Woods Hole Marine Facilities)
The mission of the Navy’s History and Heritage Command is to preserve and present accurate history. US Navy.
From February 24th to March 4th, researchers at Woods Hole Marine Facilities (WHOI) captured dense images of the shipwreck using human-occupied submersible Alvin and an autonomous underwater vehicle known as the Sentry, belonging to the National Deep Sleeping Facility.
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“As a Navy veteran, it was a strict privilege to have this dive with another Navy veteran and a navy historian,” said Rob Sparlock, officer of the Navy Research Program.
“After nearly eight hours, there was time to reflect on the risks faced by all Mariners, both past and present. It also reminded me of the importance of these training dives, leveraging past dives, lessons learned, and knowledge from healthy engineering.”
The hole in the hull of the USS F-1 was caused by a collision with its sister ship, the USS F-3. (Bruce Stricklot; Woods Hole Marine Facilities)
While studying the submarine, scientists investigated a naval torpedo bomber training aircraft that had fallen in the same location in 1950.
“Advanced Ocean Technology And simple teamwork played a major role in delivering these new images,” said Whoi’s Bruce Strickrott, manager of Alvin Group, and the senior pilot at Sub, who led the expedition.
“It was a great honor to visit the F-1 shipwreck.”
“I identified the wreck and determined that diving was safe, so I was able to capture a perspective I had never seen before.
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“As a US Navy veteran, that was a great honor. Access the F-1 shipwreck ONR and NHC colleagues are riding on Alvin. ”
A photogrammetric reconstruction of the submarine USS F-1 shows the collision damage with the Conning Tower that caused the sub to sink. (Zoe Darlon; Woods Hole Marine Facilities)
The submarine investigation included seven dives that were part of a planned training and engineering mission to provide practical experience to potential pilots during training.
The team held a memory ceremony for the lost seafarers and rang the bell 19 times on the research vessel Atlantis directly above the location of the submarine.
While studying the submarine, scientists investigated a naval torpedo bomber training aircraft that had fallen in the same location in 1950. (Anna Michelle; Woods Hole Marine Facilities)
“History and archaeology are all about people, and we felt it was important to read their names out loud,” Kruger said.
“The Navy has a strict responsibility to ensure that the lost sailor’s legacy is remembered.”
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Advanced imaging technology has helped teams document the wreck, including Atlantis’ multi-beam sonar system and Sentry’s multi-beam sonar system, which created detailed high-resolution maps of submarines.
Outer boat wheels on the sails of USS F-1 (Bruce Stricklott, Woods Hole Marine Facilities)
This allowed the team to reconstruct the wreck using photogrammetry to create a 3D model.
“These depths were within the diving capabilities of Alvin and Sentry, but were technical diving that required specialized expertise and equipment,” said Anna Michel, NDSF chief scientist and co-leading of the expedition.
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“We were careful and orderly to investigate these historic sites and to be able to share these stunning images and to maintain the respect they deserve.”
