Comment on Military Aircraft Hit Mach 20 Before Ocean Crash, DARPA SaysparentComments−melling13ySounds like a lot to me. For the first DARPA Grand Challenge, for example, no car finished the race. The farthest went 7 miles.http://en.wikipedia.org/wiki/DARPA_Grand_Challenge_(2004)The next year 5 vehicles completed.http://en.wikipedia.org/wiki/DARPA_Grand_Challenge_(2005)Also, consider all of the rocket failures in the 1960's and we still made it to the moon by the end of the decade.
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Sounds like a lot to me. For the first DARPA Grand Challenge, for example, no car finished the race. The farthest went 7 miles.
http://en.wikipedia.org/wiki/DARPA_Grand_Challenge_(2004)
The next year 5 vehicles completed.
http://en.wikipedia.org/wiki/DARPA_Grand_Challenge_(2005)
Also, consider all of the rocket failures in the 1960's and we still made it to the moon by the end of the decade.