Swamp trooper armor had additional plates protecting the shins. This armor used a red plate on the right bicep to indicate standard troopers, and a white plate to indicate medics.
Juggernaut Pilots wore similar armor to swamp troopers, albeit with a helmet resembling that of Imperial combat assault tank pilots. This armor also used a red plate on the right bicep to indicate rank.
Imperial security troopers wore shin plates and a flared helmet in black with blue-lensed goggles, along with the rest of the armor worn by other Army troopers.
- Solo: A Star Wars Story The Official Guide