I'm checking some of my DVD's with extra files for old games I used to play back then, and I've found some stuff for SH2.
Give me some time to check what's in there and pack it and upload it somewhere.
EDIT: here are some missions, campaigns and extra files that may be interesting for SH2.
https://mega.nz/#!stJH3IiI!XlCDXWyHy...2qRpfZxjHYMtG0
Please don't ask me how to install them. I haven't used SH2 in like 10 or more years. Check for instructions inside the files.
If you're interested, I have the files of an Italian campaign called Alfa Tau for SH2. If I remember correctly, it allowed to play Italian subs in the Mediterranean.