We then report back all the measurements and if it's deemed OK we mark out the landing strip with black bin bags filled with snow.

随后，我们向行动小组报告所有测量结果，一旦符合标准，我们用装满雪的黑色垃圾袋标出跑道的轮廓。

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Knee-deep in snow, U.S. Rangers in search of Osama bin Laden were pinned down under heavy fire after their helicopter was shot down by al Qaeda and Taliban forces in eastern Afghanistan in March 2002.

FORBES: Top Gun