The Submarine

Designs for underwater boats or submarines date back to the 1500s and ideas for underwater travel date back even further. However it was not until the 19th century that the first useful submarines began to appear. During the Civil War, the Confederates built the H.L. Hunley,the submarine that sank a Union ship. The U.S.S. Housatonic was built in 1864. But it wasn't until after World War I began that the first truly practical and modern submarines were invented.

Russian Submarine
Russia has been shortlisted for a $700 million contract to deliver two submarines to Indonesia, the Indonesian Navy commander said on Tuesday.

"Of the four bidders for the submarines, Russia and South Korea have reached the final round, passing France and Germany," Admiral Tedjo Edhy Purdijatno said.

Russia's bid is the Project 636 diesel-electric submarine (export agent Rosoboronexport) while South Korea's is the U-209 sub manufactured by Daewoo Shipbuilding and Marine Engineering under German license.

"One of the principal conditions [of the contract] is, among other things, the transfer of technology," Purdijatno said.


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