STS-121 Preps Begin Under Cloud

Shuttle crew arrives in Florida for launch, AP

“Space shuttle Discovery’s crew of seven arrived at the Kennedy Space Center on Tuesday for this weekend’s launch, a day after a top NASA engineer who praised his colleagues for voicing doubts about the wisdom of going ahead with the flight was removed from his job.”

Shuttle engineer says he’s off team, Houston Chronicle

“Dean Acosta, NASA director Michael Griffin’s spokesman, would not comment on the action either other than to say it should not be construed as an attempt by the administrator to prevent engineers with dissenting opinions to speak out.”