[DoodleDawg]

They should have been kept flying at least until there was a replacement.

Would it have kept going until the 2020's or 2030's?

[Buckeye McFrog]

A little birdie recently told me that NASA is out there trying to hire FORTRAN programmers.

So perhaps some un-mothballing is in the works.

The problem is by the time you get these things designed, field tested, budgeted, approved, and actually built, they are already long obsolete. Hence the FORTRAN.