Deep Space Security

You've been woken up from cryosleep and your job is to act as a security guard on your spacecraft for the night. Intruders are unlikely, but anything could happen so far out in space. If you see anything strange, don't hesitate to release the newly developed Organism Disintegration Gas. It'll be sure to get rid of any intruders for you. However, due to limited supply, you can only release it in on…