us secretly deploys b-1 strategic bombers..., page-55

certainly america was an enormous beneficiary of pre and post war exodus of german intelligentsia from europe....the name einstein springs to mind....and certainly some very clever nazis ie von Braun......america was quite happy to accommodate one and all. incidentally nazis developed the first stealth plane, a batwing craft that Goering wanted to nuke america with...(german scientiusts were well on the way to the A bomb).a craft not too dissimilar to the B2.
what the nazis didnt develop was radar (which enabled britain to defeat the luftwaffe and save itself from invasion, and code breakers (with which the allies thru enigma had one ear on the german high command...that helps when your fighting a war!