Yamagiri Maru

Yamagiri Maru

The Yamagiri Maru was built in 1938 by Mitsubishi Heavy Industries as a passenger/cargo carrier for the Yamashita Kisen Line. Requisitioned by the Japanese Navy in September 1941 she was  converted to a military transport for moving special cargoes. The ship saw service transporting war material between Solomons and the Caroline Islands until she was…

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USS Sgt Major Wm J Pugh

The Pugh is a former USN YFR, a type of vessel designed and built to supply the anchored fleet at large congested naval stations/bases. Three types of vessels were in her class … one being a YO for Yard Oiler carrying special lubes to large ships, another was a YF for supplying dry stores, and…

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Seiko Maru

  Seiko Maru The SS Seiko Maru was launched July 17, 1940 for original owners, Dairen Steamship Co. as a modern cargo vessel of a then unique design with engines aft rather than amidships. This design offered increased cargo hold space eliminating a space robbing propeller shaft tunnel and a need for extended shaft and…

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SS Thorfinn Engine Room

Boiler Re-tubing

We have just successfully completed sea trials on our starboard boiler which over the past few weeks has been getting re-tubed by a specialist team from the Philippines. Because we have two Foster Wheeler type D boilers it meant we could carry on diving operations as normal during this period. We continue to invest in our vessel, Truk Lagoon’s…

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April Raid On Truk

On April 29th the American Task Force 58 launched their second major attack on Truk Lagoon. Although there had been a number of land based B-24 bombing runs on Truk from Rabaul the Japanese had managed to bring in a number of reinforcements. The Americans believed that taking the Lagoon would be too difficult by…

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Aircraft on the deck of HMS Implacable R86

Free Enriched Air Nitrox

Using ‘Enriched Air’ or ’Nitrox’ also sometimes called ’EANx’ is a great way to extend your bottom times without going into decompression especially on repetitive daily dives. As well as gaining longer no decompression limits, using enriched air nitrox also results in a reduced decompression penalty due to the lower level of nitrogen absorbed during…

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SS Thorfinn dive tender