Originally posted by darksidaz:
Each shuttle was designed to fly 100 missions, so its based on times flown not time in service.
This was Columbia's 28th flight.
R I P
yeh, just as the duratec was designed to go 100,000 miles before needing a tune up 
99 expedition eddie bauer, 5.4 v8, k&n drop-in, 3" magnaflow catback and gas mileage that makes the contour look like a hybrid
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