34 Someone asked recently what kind of weapon works well in space. This kind. (www.defensenews.com) posted 116 days ago by Kaarous 116 days ago by Kaarous +34 / -0 In first, UK downs aerial drone with test shot from DragonFire laser The trial with the direct-energy weapon is considered a significant milestone toward the deployment of the system, possibly within five years. 46 comments share 46 comments share save hide report block hide replies
I believe they were using rail guns as well, at least in the second episode when the Mars ship was attacked.
they use the railgun to stay in orbit longer over the alien planet as well