(04/08/2002) - Billowing clouds of smoke and steam roll away from the launch pad while the water below captures the brilliance of the flames as Space Shuttle Atlantis soars above the lightning mast on mission STS-110. Liftoff occurred at 4:44:19 p.m. EDT (20:41:19 GMT). Carrying the S0 Integrated Truss Structure and Mobile Transporter, STS-110 is the 13th assembly flight to the International Space Station.