<a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Recoilless_rifle" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Recoilless_rifle</a><p>I&#x27;d imagine the gases vented to space, not the living quarters.