NASA: Endeavour's last launch delayed again

[Viva_La_Revolution]

Source: AP

CAPE CANAVERAL, Fla. (AP) -- Space shuttle Endeavour's final launch is off until at least the end of the week because technicians need to replace a switch box in the engine compartment, NASA said Sunday.

The six astronauts - led by commander Mark Kelly - wasted no time heading back to Houston.

Kelly's wife, Rep. Gabrielle Giffords, did not join the astronauts in flying back. The timing of her return to Houston, to resume rehab after being wounded in a shooting rampage four months ago, was uncertain.

As late as Saturday, the astronauts and their families were still hoping for a possible launch attempt on Monday. But NASA gave up on that once it became clear extensive repair work would be needed to fix a faulty heater system aboard Endeavour. The trouble prevented the shuttle from blasting off Friday; President Barack Obama and his family were among those missing out.

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