I decided since this was my first time playing Carrier Command to do the campaign before jumping into the Strategy game part, however after getting a couple missions in to the Train Tunnel, I was unable to continue. I explored the tunnel for about 30 minutes before reloading a previous save and trying again, but still cannot figure out what I'm supposed to do.
Is something not working or is there something else I need to do? The game is great but it has absolutely no explaination of how to play it.