KSC-95EC-0667 - Transporter crawler carries Discovery to Pad 39B The Crawler Transporter carrying the Space Shuttle Discovery on its Mobile Launcher Platform climbs the incline to Launch Pad 39B, at right, during its journey from the Vehicle Assembly Building. Discovery and its crew of five are targeted for a June 8 liftoff on Mission STS-70. The primary objective of STS-70 is to deploy a Tracking and Data Relay Satellite. 5/11/95