The U. S. first Polaris submarine, George Washington at Groton in Connecticut.

美国第一艘北极星潜水艇“乔治·华盛顿号”在康涅狄格州格罗顿下水。

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The U. S. first Polaris submarine, George Washington, was launched at Groton in Connecticut.

美国第一艘北极星潜水艇“乔治·华盛顿号”在康涅狄格州格罗顿下水。

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S. Navy v. Whales. The Court's decision protected the right of naval vessels to test submarine-hunting sonar systems, whose intense sound pulses have been linked to several mass whale strandings.

法院的决定保障了海军舰艇测试潜水艇搜寻声纳系统的权利，强大的声音脉搏已被连接到多个大型鲸鱼搁浅区。

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Each year thousands of people visit the museum and go on board the submarine that made history -- the U.S.S.Nautilus.

VOA: special.2010.06.11

But by nineteen seventy-nine, the world's first nuclear-powered submarine had become an old ship.

VOA: special.2010.06.11

The bathyscaphe is over 16 meters long, and its gasoline-filled flotation chamber's deck,rails, and conning tower make it look a bit like a submarine.

VOA: standard.2010.06.21

The Atomic Weapons Establishment (AWE) in Aldermaston, Berkshire, provides the warheads for Trident, the UK's submarine-launched missile system.

BBC: AWE building

The Navy's submarine fleet in the Pacific has already experimented with a pilot breath-test program that began in 2009.

WSJ: Navy, Marines to Require Breath Tests

Mr Salmond confirms that Britain's submarine-based nuclear deterrent would have to leave its current home in the deep waters of a Scottish loch.

ECONOMIST: Scotland��s referendum: If at first you don��t succeed | The