Air-independent propulsion
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Air-independent propulsion, or air-independent power, is any marine propulsion technology that allows a non-nuclear submarine to operate without access to atmospheric oxygen. AIP can augment or replac
A replica of Ictineo II, Monturiol's pioneering submarine, in Barcelona.
X-1 midget submarine on display at the Submarine Force Library and Museum in the United States
HSwMS Gotland in San Diego
A Type 212 submarine of the German Navy, equipped with a fuel-cell AIP.
Type 212A submarine
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The Type 212A is a class of diesel-electric attack submarine developed by Howaldtswerke-Deutsche Werft AG for the German Navy, and the Italian Navy where it is known as the Todaro class. It features d
Air-independent propulsion
…sustain the chemical reaction. Nine of these units are incorporated into Howaldtswerke Deutsche Werft AG's 1,830 t submarine U-31, lead ship for the Type 212A of the German Navy. The other boats of this class and HDW's AIP equipped export submarines, Dolphin class, Type 209 mod and Type 214, use two 120 kW…
U34 underway
U-31 of the German Navy in Kiel harbor
U-33 in Tallinn harbor, Estonia
Scirè arrives on a port visit at New London, Connecticut, on 27 August 2009