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Newswire : Orbital smash

点击量:   时间:2018-01-06 05:02:03

A piece of space junk destroyed the final stage of a ballistic missile in January during routine tests of the US military’s missile defence system. The 5-metre rocket booster, which had been jettisoned after deploying dummy warheads, collided with the debris about 390 kilometres above the Pacific as it fell towards the atmosphere. Lieutenant-Colonel Rick Lehner of the Ballistic Missile Defense Organization says: “I’ve been in missiles for going on 20 years,