Discovery was hours from launching on it final voyage to the ISS on November 5 when technicians found a hydrogen leak and later a series of long cracks on the shuttle's external fuel tank.

一开始技术人员发现有氢气泄漏，后来在外部燃料罐上发现了一些裂缝，当时是11月5日离发现号前往国际空间站的发射前的几小时，这是它的最后一次飞行。

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But an invitation to join a voyage around the world aboard the HMS Beagle altered the direction of his life one final time: over the next five years Darwin was transformed into a naturalist.

然而，应邀登上英国皇家海军舰艇贝格尔号参加环游世界之旅，就最后一次改变了他一生的方向：达尔文在未来5年里转变为博物学家。

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The Discovery has launched into space 38 times, and NASA aims to retire the shuttle after its final and 39th voyage.

发现号曾经进行过38次往返太空飞行，NASA计划其在第39次飞行后退役。

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Cumbria's adopted warship has set sail on her final voyage before she is de-commissioned later this year.

BBC: HMS Cumberland's journey to decommissioning

The forward island earlier left Portsmouth Naval Base for its sea voyage to Rosyth, where the ship's final assembly will take place.

BBC: HMS Queen Elizabeth final section leaves Portsmouth

Speaking of sun-powered planes, the Solar Impulse just made its final test flight around the San Francisco Bay Area before embarking on a cross-country voyage next week.

ENGADGET: Inhabitat's Week in Green: flying electric car, 3D-printed livers and a two-story-tall bike