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Science/Tech
See other Science/Tech Articles

Title: NASA, Despite Dissent, Sets Shuttle Date
Source: Associated Press
URL Source: http://sfgate.com/cgi-bin/article.c ... /06/17/national/a153447D84.DTL
Published: Jun 17, 2006
Author: Associated Press
Post Date: 2006-06-17 19:43:10 by Brian S
Keywords: None
Views: 153
Comments: 1

(06-17) 16:19 PDT Cape Canaveral, Fla. (AP) --

NASA managers on Saturday picked July 1 to launch the first space shuttle in almost a year, despite recommendations against a liftoff attempt by the space agency's chief engineer and safety offices.

The decision to launch Discovery on a trip to the international space station was made after two days of meetings by NASA's top managers and engineers at the Kennedy Space Center. The flight would be only the second shuttle mission since the Columbia disaster in 2003.

During a poll of top managers, representatives from NASA's Office of Safety and Mission Assurance and the Office of the Chief Engineer recommended against flying until further design changes are made to the external fuel tank. Despite their recommendations, the dissenting managers didn't object to making a launch, NASA officials said.

The ultimate decision to fly was made by NASA administrator Michael Griffin, who said he would shut down the space shuttle program if there was another vehicle lost like space shuttles Challenger and Columbia.

"The administrator ... has the obligation to decide. That's what I do," Griffin said. "Our staff offices ... have the right, have the obligation, have the utter necessity to tell us exactly what they think. But all of that is advice."

The most contentious debate focused on whether the shuttle's external tank should undergo further changes in 34 areas called ice-frost ramps. About 35 pounds of foam already have been removed from an area of the tank where a 1-pound piece fell off during last July's launch of Discovery. NASA described it as the biggest aerodynamic change ever made to the shuttle's launch system.

Representatives from NASA's safety and chief engineer offices said at the meeting that the shuttle shouldn't fly until the ice-frost ramps are redesigned.

A large piece of flying foam from where the external tank connects to the shuttle, not the ice-frost ramps, struck a wing of Columbia during its launch in 2003, allowing fiery gases to enter the shuttle and kill the seven-member crew during descent.

Griffin said the decision to fly poses no risk to Discovery's seven astronauts because NASA has devised new inspection and repair techniques to the shuttle, and as a last resort the astronauts could stay at the international space station until a rescue shuttle arrives.

The pieces that have come off the ice-frost ramps in the past have been small, and NASA plans to redesign the ice-frost ramps in the future so that they won't pose hazards, Griffin said. NASA leaders also have said the shuttle should fly with only one major modification to the tank at a time.

"I think it is acceptable for a number of reasons to go fly for a limited number of flights until we come up with a new design," said Wayne Hale, shuttle program manager.

NASA's three shuttles are scheduled to be grounded in 2010, once the international space station is constructed. Postponing the launch past July, might cause schedule pressure in three or four years for completing the space station, Griffin said.

The board that investigated the Columbia accident said schedule pressure by managers was a contributing factor to the disaster.

"I don't want to get us into a situation where by being more cautious than I think technically is necessary today, we wind up having to execute six flights in the last year," Griffin said. "That's not smart."

___

On the Net:

NASA at

www.nasa.gov

URL: http://sfgate.com/cgi-bin/article.cgi?file=/n/a/2006/06/17/national/a153447D84.DTL

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#1. To: Brian S (#0)

I really don't think it was mechanical failure that brought down the shuttle.

I think it was that new lightning they started finding in the upper atmosphere. It's extremely dangerous, and would have roasted the shuttle in a second.

I really do not believe that a few errant tiles alone would have brought down the shuttle, especially when there's photographic evidence of lightning hitting the shuttle on reentry.

What's that Mr. Nipples? You want me to ask the nice lady about her rack?.

TommyTheMadArtist  posted on  2006-06-17   19:45:34 ET  Reply   Trace   Private Reply  


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