An artist’s impression showing a cross section of the Vehicle Assembly Building at the Kennedy Space Center on Merritt Island, Florida, 10th January 1974. The booster vehicle for the space shuttle orbiter is already configured (left). On the right, the loading of the cargo bay payload takes place in the maintenance and checkout facility. (Space Frontiers/Getty Images)

An artist’s impression showing a cross section of the Vehicle Assembly Building at the Kennedy Space Center on Merritt Island, Florida, 10th January 1974. The booster vehicle for the space shuttle orbiter is already configured (left). On the right, the loading of the cargo bay payload takes place in the maintenance and checkout facility. (Space Frontiers/Getty Images)