Stratoplanes: The aircraft that will fly at the edge of space

Summary

KEY POINTS:

1. Stratosphere: The second layer of atmosphere, starts at 33,000ft.
2. Challenge: Thin air at high altitudes makes flying and breathing difficult.
3. Zephyr S: US Army's experimental lightweight aircraft for stratospheric flight.
4. Mission: The purpose of Zephyr S is currently undisclosed, and classified by US Army.

References

• Media Check: BBC - Media Bias Fact Check (High Credibility)
• Collections | The Runway (airforce.gov.au)
• ADDITIONAL READING RAAF RUNWAY (PME)
• RAAF RUNWAY: RATIONALE, GUIDELINES, LEARNING OUTCOMES, ETC.