http://www.armaholic.com/page.php?id=2280

In this mission you and your squad was send out to scout the military CSAT and AAF presence on Altis in preparation for an NATO invasion. But your squad got captured by AAF and you are now held in an improvised prison awaiting CSAT officers to arrife for questioning. But NATO loyal insurgent managed to hide a backpack with weapons in the prison. Your task is now to overwhelm the guards, escape the prison, find a map of the island, make contact with NATO forces, reach the designated evacuation zone and escape Altis!

It's pretty fun when I played with Hellcat and Megaladon. Might be a good event to do with the rest of the group.