When crisis requires American troops to deploy on American soil, the country depends on a rich and evolving body of law to establish clear lines of authority, safeguard civil liberties, and protect its democratic institutions and traditions. Since the attacks of 9/11, the governing law has changed rapidly even as domestic threats--from terror attacks, extreme weather, and pandemics--mount. Soldiers on the Home Front is the first book to systematically analyze the domestic role of the military as it is shaped by law, surveying America's history of judicial decisions, constitutional...