Link to nuclear thermal rockets, <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Nuclear_thermal_rocket" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Nuclear_thermal_rocket</a>. Thanks for mentioning that, its a really interesting read.