Orbital stations need to move 'sideways' very fast to avoid falling back to earth - the ISS, for example, moves at about 27,000 km/h. You need a huge rocket to

Orbital stations need to move 'sideways' very fast to avoid falling back to earth - the ISS, for example, moves at about 27,000 km/h. You need a huge rocket to get into orbit, quite unlike the Virgin Galactic plane.