The Reaper was flying a combat mission when operators lost "positive control" of the UAV, or the ability to establish connections and send control inputs to the remote-controlled aircraft.

“收获者”执行飞行作战任务时，导航员既失去了对无人机的“实际控制”，也不能与遥控飞机建立联系并发送控制输入信号。

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A planned servicing mission was cancelled in January 2004 after the space shuttle Columbia was lost along with its crew of seven astronauts in 2003.

2003年哥伦比亚号太空飞梭失事，七名宇航员丧生，这之后，2004年，对哈勃原定的维修任务被取消。

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Palmer believes that Jack is seeking revenge because he lost every man on his team during the Bosnia mission and Palmer was the one who authorized the mission.

帕默认为，杰克是在寻仇，因为在波斯尼亚的那次任务中，杰克失去了所有队友，而帕默是授权那次任务的人。

youdao

"You have lost me, for whatever it is worth, in terms of the viability of this mission."

VOA: standard.2010.07.30

In an emotional speech on the floor of the Senate, Veteran-Democrat Robert Byrd, suggested the U.S.military mission and Afghanistan has become lost in what he called some broader scheme of nation-building.

VOA: standard.2009.10.15

She says the all-male hierarchy is preoccupied with its own power and has lost the mission of the faith - to serve the poor.

BBC: Papal conclave: LA Catholics' turmoil at sex abuse past

Time will tell whether the helicopter lost in the latest mission was a casualty of maintenance shortfalls.

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Since its solar panels were no longer facing the sun, its batteries ran down and the mission was lost.

ECONOMIST: Mishaps in space: Foolish, not ghoulish | The