Cal runs back trying to help freaky girl, shoots, misses, tries to flee, dies. Instead these two idiots end up befriending the creature, the end. Space suits are equipped with galoshes. The red planet was once inhabited by huge Martian squirrels which buried balls of aluminum foil everywhere. Space stations are very roomy inside and have designated smoking areas.
Racquetballs conduct electricity.
Shuttle seats are just office chairs with the wheels removed. Survival rations contain an alcoholic beverage. Traveling on a ship where you constantly crawl around on your hands and knees is annoying. Alarms warning that your air supply has been shut off need to be very loud and audible in the sleeping compartment. Footballs made of permeable leather work just fine on Mars.