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Memory Replacement is a psycho-engineering process used by the Combine for transforming humans into Overwatch Soldiers and Overwatch Elites. Some Civil Protection Officers are able to willingly undergo such processes to advance through the ranks.

This procedure, carried out in Nova Prospekt and the Citadel, ensures that no Overwatch soldier is able to rebel against the Combine for emotional reasons.

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List of appearances

References

  1. Half-Life 2: Raising the Bar; chapter Half-Life 2: Welcome to City 17; page 230.