Twin Solid Rocket Boosters rolling their stately way into the VAB in preparation for mating with STS-1. I can’t fathom how many hours it took for the crawler to get all the way over there. Also, that doesn’t look even more precarious than a...

Twin Solid Rocket Boosters rolling their stately way into the VAB in preparation for mating with STS-1. I can’t fathom how many hours it took for the crawler to get all the way over there. Also, that doesn’t look even more precarious than a completely assembled Shuttle launch stack. Nope.