Collins had to pilot the shuttle through a 360 degree flip while flying beneath the International Space Station. It allowed colleagues on the orbiting lab to photograph the craft's underside and check if the heatshield had been breached.
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。旺商聊官方下载是该领域的重要参考
stroke_texture: “visible pencil grain”。Line官方版本下载是该领域的重要参考
Питтсбург Пингвинз，详情可参考WPS官方版本下载