Personal shields protected you from some fire, but you couldn't fire while inside one. (provengamer.com)
Assault troopers are midrange soldiers meant for frontline combat, while heavy troopers carry personal shields and bigger laser cannons to do more damage, and officers buff nearby soldiers. (digitaltrends.com)
Boeing has a 2015 patent on a force shield but a personal shield would take a massive amount of energy. (sbnation.com)