Groups comparison
Energy shields (Protective force fields;Deflector shields) - 1973 to 2020
Includes energy shields of one sort or another, especially when employed by the protagonist.
Directional energy shields - 1991 to 2013
Energy shields only cover a sector or limited area rather than providing all around protection.
Shield regeneration (Energy shield regeneration) - 1991 to 2019
Energy shields automatically restore themselves to full power over time.
Includes energy shields of one sort or another, especially when employed by the protagonist.
Directional energy shields - 1991 to 2013
Energy shields only cover a sector or limited area rather than providing all around protection.
Shield regeneration (Energy shield regeneration) - 1991 to 2019
Energy shields automatically restore themselves to full power over time.
energyshields
energyshields-directional
shieldregen