The Resistance has no central command structure, however, there are central figures. Eli Vance, Barney Calhoun, Arne Magnusson, Alyx Vance, Isaac Kleiner, and Gordon Freeman are examples of Resistance leaders. The Resistance is divided into two areas: Combat and Research. Scientists such as Eli Vance command the research division, whereas leaders such as Barney Calhoun and Gordon Freeman tend to command the combat section. Gordon Freeman is a man of very high regard among Resistance members, something of a personal hero to them, due to the fact that he was able to not only survive the Black Mesa Incident (which only eleven people are confirmed to have survived, and even fewer confirmed to have survived the Seven Hour War), but actually put an end to it.

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