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Originally posted by RichardPrice
What I want to really know is:
Why all the gaps in the X-Plane numbers? It jumps from the Bell X-5 to the X-15 and then on to the X-24. Are these gaps hiding secret projects?
Originally posted by longbow
Gaps? The only one gap is X-49 - skipped, because Boeing wanted X-50 for CRW Dragonfly.
summary of all X-planes, program goals and results
[edit on 15-5-2005 by longbow]