When finished, the VAB covered eight acres of land ... and then put the external tank on there, and then stack the shuttle on," said Kline. Dan McKune worked on it firsthand as a crane operator.

When there's a Rollover to the Vehicle Assembly Building (VAB) which is the Orbiter is lifted up and bolted to the Solid Rocket Boosters (SRB) and External Tank. The Shuttle is on top of the ...