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据洛克希德·马丁公司新近的公告,美国海军对“三叉戟”II D-5弹道导弹进行了2次成功的检验升级发射,升级后的导弹服役期将延长至2042年。2次飞行试验为2017年部署具有新的飞行控制和电联动装置的导弹取得了资格。该弹道导弹射程为4000海里,可携带多个独立目标的再入弹头。2015年11月初,洛马完成了对西科斯基飞机公司的收购。西科斯基的能力将确保洛马在垂直起飞技术方面保持
According to a recent announcement by Lockheed Martin, the United States Navy conducted two successful upgrade tests on the Trident II D-5 ballistic missile, extending the service life of the upgraded missile to 2042. Two flight tests qualify for the deployment in 2017 of missiles with new flight controls and electric linkage. The ballistic missile has a range of 4,000 nautical miles and can carry multiple reentry warheads with independent targets. In early November 2015, Loma completed the acquisition of Sikorsky Aircraft Company. Sikorski’s ability to ensure that Loma maintains its vertical take-off technology