Shuttle rolls to launch pad - Apr 7, 2005: "Discovery, with its two solid rocket boosters and external fuel tank attached to its belly, rolled out of the Vehicle Assembly Building (VAB) at 2:04 p.m. EDT for a four-mile journey to the launch pad at Kennedy Space Center in Cape Canaveral, Florida.

"A crawler transporter moved the shuttle to pad 39B where it will sit until launch—set for no earlier than May 15."