Is $35 billion a lot of money?  We did get a step forward in engineering.  The lessons learned advanced our knowledge forever.   The money spent in actual wars for little things like air conditioning, for example, cost more:<p><a href="http:&#x2F;&#x2F;www.npr.org&#x2F;2011&#x2F;06&#x2F;25&#x2F;137414737&#x2F;among-the-costs-of-war-20b-in-air-conditioning" rel="nofollow">http:&#x2F;&#x2F;www.npr.org&#x2F;2011&#x2F;06&#x2F;25&#x2F;137414737&#x2F;among-the-costs-of-w...</a>