Discovery will lift off no earlier than February 19 , NASA says . Discovery moves atop the crawler transporter in Cape Canaveral , Florida , on January 14 . Comment: This will be the shuttle 's 28th mission to the international space station . The mission will deliver the final set of solar arrays for the station .
Discovery will lift off no earlier than February 19 , NASA says . Comment: This will be the shuttle 's 28th mission to the international space station . The mission will deliver the final set of solar arrays for the station .