As a result , Columbia would not fly at all during 1984 - 85 .
The shuttle was then sent off for an extensive renovation and upgrade program to bring it up to date with the newer Challenger orbiter as well as the upcoming Discovery and Atlantis .
Columbia would not fly at all during 1984 - 85 .
The shuttle was then sent off for an extensive renovation and upgrade program to bring it up to date with the newer Challenger orbiter as well as the upcoming Discovery and Atlantis .