NYT: In Opposing Launching, 2 NASA Officials Feared Shuttle's Loss, Not Crew Safety
By WARREN E. LEARY
Published: June 22, 2006
WASHINGTON, June 21 — Two NASA officials who voted to delay the coming launching of the space shuttle Discovery said Wednesday that their reservations concerned potential damage to the spacecraft, not fears for the safety of the crew.
Bryan O'Connor, NASA's lead safety official, and Christopher Scolese, its chief engineer, voted "no-go" on Saturday when agency officials meeting at the Kennedy Space Center in Florida cleared Discovery for a planned July 1 liftoff.
Michael D. Griffin, administrator of the National Aeronautics and Space Administration, and other officials acknowledged that it was somewhat unusual to certify a shuttle to fly without complete concurrence by the top managers. But they said that everyone's concerns had been vetted in an intensive, nonconfrontational exchange during two days of meetings and that a decision was made to go ahead with the flight.
Responding to news media inquiries, Mr. O'Connor and Mr. Scolese on Wednesday answered questions about their dissenting opinions in a telephone news conference and both said their concerns were not about the safety of Discovery's seven-member crew.
The two officials said they were concerned that the insulating foam that covers 34 metal brackets on the shuttle's external fuel tank might dislodge during the launching and damage the spacecraft's protective heat shield beyond repair.
Even though such damage would not endanger the crew, which could stay in a "safe haven" aboard the International Space Station until rescued by another shuttle, the officials said they were concerned about losing an irreplaceable shuttle like Discovery...
http://www.nytimes.com/2006/06/22/science/space/22shuttle.html