Challenger is 1986. Columbia is 2003.
Challenger was replaced by building the Endeavor from spare parts. Columbia was not replaced.
2,003.
Challenger 1986, Columbia 2003
The two space shuttles that tragically crashed were the Challenger in 1986 and the Columbia in 2003.
challenger and the Columbia
Enterprise, Columbia, Challenger, Discovery, Atlantis, Endeavor
The American space shuttles were named: Enterprise, Columbia, Challenger, Discovery, Atlantis, and Endeavour.
The Columbia and the Challenger
challenger and the Columbia
Columbia and Challenger
challenger, it exploded in 2002 when one of the rockets malfunccioned & challenger blewup
The Columbia and the Challenger.