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In 1929, Spaatz and Eaker stayed aloft about 150 hours in the Question Mark to show off what?

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  1. The first jet engine
  2. Refueling from another plane in flight
  3. Flying with no pilot

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References

  1. CAP Spaatz Award page www.gocivilairpatrol.com/programs/cadets/stripes-to-diamonds/spaatz-award Checked 2026-10-10.
  2. CAP Eaker Award page www.gocivilairpatrol.com/programs/cadets/stripes-to-diamonds/eaker Checked 2026-10-10.

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