The Incredible Adventures of Van Helsing: Final Cut

You have to perform the following steps to complete a resistance mission:

1. Get to act 4(?).
2. Send one of your captains on a resistance mission.
3. Wait until it is completed.
4. Go to the finished missions in the resistance mission menu.
5. Select one and click on "Report".

If this was obvious for you just ignore this "guide".
For me the "Report" part was not obvious. 😄