This is happening as Turkey plans what it calls a ground and air operation.

此次撤军发生在土耳其计划对叙利亚发动的地面和空中打击之前。

The strikes were one of the country's largest air operations in years across Syrian land.

这次空袭是该国多年来在叙利亚土地上进行的最大规模的空袭行动之一。

One project going on at MIT includes recordings of Air Force pilots speaking with people in air operations centers on the ground.

麻省理工学院正在进行的一个项目包括空军飞行员与地面空中作战中心的人交谈的录音。

It's unclear exactly how many operations were conducted or whether they were drone strikes or maybe some other sort of air operation.

目前不清楚的是他们实施了多少次行动，是否发动了无人机袭击以及是否有其他形式的空中行动。

Hundreds of veterans gathered in Portsmouth to remember the 1944 Normandy landings which were the largest combined land sea and air operation in history.

数百名老兵聚集在朴茨茅斯纪念1944年诺曼底登陆 这是历史上最大型的陆海空联合行动。

AS NATO prepares to wind down its air operations over Libya and end its naval blockade, satisfaction over the outcome will be mixed with concern over the weaknesses it exposed.

随着北约准备收起利比亚上空的战机，结束海军封锁，战果可谓满意，但也夹杂了对其暴露出的弱点的担忧。