02/24/2011 -- Cape Canaveral, Florida -- Wearing their orange launch-and-entry suits, space shuttle Discovery's STS-133 crew board the Astrovan at the Operations and Checkout Building at Kennedy Space Center. The van will transport them to Launch Pad 39A. From left to right are Mission Specialists Nicole Stott, Michael Barratt, Steve Bowen, and Alvin Drew, and Pilot Eric Boe.
02/24/2011 -- Cape Canaveral, Florida -- A NASA helicopter hovers above a landing pad near the Vehicle Assembly Building at Kennedy Space Center.
02/24/2011 -- Cape Canaveral, Florida -- R2A, the twin brother of the R2B Robonaut, looks toward Launch Pad 39A, awaiting the launch of space shuttle Discovery. R2B is traveling to the International Space Station, where it will undergo tests and perform duties alongside the astronauts.
