About Main Military Island
You need at least two persons and a minicopter to finish the puzzle!
A military island guarded by a tank. You need at least two people and a flying object to complete it. The door outside can only be opened from the inside. You have to fly in with a minicopter and open it for your team mate if necessary. To make the monument easier the tank should be destroyed.
It is possible that the alpha map in the staircase does not work properly. In the editor you can easily adapt this to your map.
Puzzle:
5 green doors
3 blue doors
3 red doors
fuel needed
at least two persons
5 fuse