I made this map for the pmc to the stars contest
you dont really destroy the ship but the story goes like this:
Commander Devon: Oh no, a spaceship!!! with a giant laser
Steve: WHAT
Commander Devon: I am gonna send you to that ship steve
Steve: Why me?
Commander Devon: You are our best soldier for this job
Steve: ok, what do i need to do Commander?
Commander Devon: Get to the control room in the front of the ship and destroy the laser
Steve: Got it!