Hello Andy .

> We need to keep this open, because engineers DO and MUST differ.  Even big
> guys.  Look, the USSR built its space program on solid-fuel boosters, the
> USA did it on liquid fuel.  The Soviets were first to launch a satellite,
> and the USA first (only) to land on the moon.  Does either make one right
> and the other wrong?

You are some wrong because ex-USSR build space rockets with liquid fuel
boosters.
And as i know USA made rockets with solid one .

WBR Dmitry .