http://www.mobygames.com/game/dos/mission-critical
We already have the CDs actually:
http://www.abandonia.com/vbullet/showthread.php?t=16709
But it would be good to have a rip that we could host directly in Abandonia (in addition). It's OK either to find a way to rip those CDs into 300 MB or less, or to find an existing rip for download anywhere, and you get some credit either way.