I wouldn't know the difference between a short story and a novella but I accept your word for it ;)
All my X-COM fanfic is at the backburner at the moment, but if you want to try something new, check the terrain mod I've made for UFO at my page: w.geocities.com/aadlg/xcom.htm

This is a short story? Novella seems more like it! Hobbes, you are one of the two top writers in this site (IMHO).
Triptych ;)

Truly a great X-Com story. Keep writing these, they're great!