To save the Earth, you pilot your spaceship to fight against all alien ship enemies.

为了保卫地球，你驾驶你的太空船对抗所有的外星敌人。

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Barrowman's character is a mysterious, immortal man from the 51st century who adopted the identity of a World War II Royal Air Force pilot and ultimately ended up protecting mankind with the help of a secretive alien-hunting team of Earthlings.

CNN: STORY HIGHLIGHTS