The creation of NORTHCOM, as part of the “unified plan” in the wake of 9/11, established the military’s first domestic combatant command center. This precedent departs from a long-standing tradition of distinguishing between the responsibilities of the military and those of law enforcement. Since 1878, when Congress passed the Posse Comitatus Act in response to interference in elections by federal troops, an underlying assumption of U.S. democracy has been that soldiers should not act as police officers on American soil.

Battlespace America