Following Creative Assemblies lead on many of their Total War series games, I would love to see this option.
I’ve read a whole lot of people on the forums talking about this subject, such as instances that involve reach, the battle for harvest, onyx, earth and so on. imagine all of those scenarios. even events on Halo itself.
regardless if space battles don’t make it into the game, which id be disappointed but it still leaves a lot of canon left for ground battles that are all over Halo lore.