Alyx Vance, and later through her marriage with Gordon Freeman, Alyx Freeman, is one of the members of the Earth Freedom Fighters. She is portrayed as a woman in her mid-twenties, and is a prominent figure in the Resistance campaign against the rule of the Axis (namely the Combines) on Golmar Earth. Alyx is a skilled hacker: she is able to operate and manipulate technologies such as turrets with the help of her gear, and also wields an EMP Tool used to perform a variety of tasks. She is also very proficient with a pistol, and hand-to-hand combat, as she single-handedly defeats six Combine Civil Protection officers. she is also fairly skilled with the use of Sniper Rifles, where she provides cover for the Resistance soldiers.