US shuttle, the most complex flying machine ever built

The US space shuttle is the most complex and costly flying machine ever built. It helped build a pioneering space outpost but also kept Americans confined to low Earth orbit for 30 years.

NASA to Set Official Shuttle Discovery Launch Date

At NASA's Kennedy Space Center in Florida, NASA managers are engaged in the executive-level Flight Readiness Review, or FRR, to evaluate Discovery’s readiness for launch.