The rapid development and widespread application of UAVs have, to some extent, accelerated the utilization of low-altitude airspace resources. According to statistics from the Civil Aviation ...
The stratosphere is no longer empty. High-altitude platform and suborbital spaceplane operations are booming, yet our management of “near-space” remains stuck in the last century. We cannot afford to ...
Tests raised questions about whether instruments in an Army Black Hawk helicopter may have led pilots to believe they were at a safer, lower altitude before they collided with a commercial jet in ...
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