Once separation occurs, that?s really the end of the launch trajectory,? said Doug Cooke, associate administrator of NASA?s exploration program.

“一旦分离，实际上发射轨迹已经结束，”Doug Cooke说道, 他是NASA探测计划的副署长。

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Once separation occurs, that? S really the end of the launch trajectory,? Said Doug Cooke, associate administrator of NASA? S exploration program.

“一旦分离，实际上发射轨迹已经结束，”Doug Cooke说道，他是NASA探测计划的副署长。

youdao

"What we have changed is our internal planning date, " explained Doug Cooke, the Nasa deputy associate administrator in the Exploration Systems Mission Directorate.

BBC: Nasa Moonship flight target slips

"This is a huge step forward for Nasa's exploration goals, " said Doug Cooke, an associate administrator at the space agency's headquarters in Washington DC.

BBC: Nasa rocket launches successfully