Man, so mad, so little tangible point-making.
Vacuum sealed armor, yes. _Weapons_, no. Jump packs need air. So, no, they don't bring EVA specific equipment.
WRONG, bright eyes!
There's an Inquisitor-prompted Stormtrooper assault on a AdMech asteroid facility in the Soul Drinkers novels in which they attack in vacuum resistant suits with proper oxygen apparatus. They get butchered, small surprise, but they're actually equipped for zero gravity and hard vacuum deliberately and carry lasweapons as for among their various merits are how well they work without propellant.
Not Mehreens, cuz the Meh only fight dirt-side -even when it's only a small pile of dirt.
Fail. Fail fail fail.
Gather up your clever greentext use, your so-witty mfw meme away, and most of all your raging Flamer fanboy butthurt, and take them away from /tg/.
And do some basic homework next time.