Coalition aircrews provided armed overwatch for coalition forces .
联盟机组人员提供联军武装看守。
As the training progresses , aircrews are introduced to various potential threats .
在训练进行过程中，空勤人员将遭遇不同的潜在威胁。
The contract extends lockheed martin 's role as the principal mission rehearsal trainer for air force special operations and search and rescue aircrews .
这份合同使得洛马公司作为空军特种作战和搜救飞行员任务演习训练器的主要提供商的地位再次增强。
The aircrews then escorted the dismounted patrol to its destination .
机组人员然后护送到目的地徒步巡逻。
A method for calculating cosmic radiation dose and dose rate to aircrews in atmosphere is presented in the paper .
