Ouroboros

Warship with an elite unit on board was shot down near the planet Ouroboros. Nobody knows about it almost nothing, life does not exhibit so at first glance everything is very simple, find the surviving crew to repair the ship and fly home. But it would be good if out of the ground did not come out monsters to feast unexplored form of life for them. Using the laser gun to shoot from the enemies and continue to perform the original task.