Always has been Fires can't burn in the oxygen-free vacuum of space, but guns can shoot. Wait, so guns Modern ammunition contains its own и oxidizer, а chemical that will trigger work in space the exp

Always has been
Fires can't burn in the oxygen-free
vacuum of space, but guns can shoot.
Wait, so guns
Modern ammunition contains its own
и
oxidizer, а chemical that will trigger
work in space
the explosion of gunpowder, and thus
the firing of a bullet, wherever you are
in the universe. No atmospheric
oxygen required.