NASA LAUNCHES THE MARS EXPLORATION ROVER-B ON A DELTA II ROCKET.
The Mars Exploration Rover-B takes off on the maiden flight of a Delta
II 7925H9.5 rocket, at Cape Canaveral Air Force Station in Cape
Canaveral, Florida, July 7, 2003. The Mars Exploration Rover-B will
arrive on the red planet seven months later to look for answers to
questions about the history of water on Mars. REUTERS/Karl Ronstrom