Open rebellion of soldiers and sailors against lawful authority

One word substitute is Mutiny.

Revolt: take violent action against an established government or ruler; rebel.
Revolution: a forcible overthrow of a government or social order, in favour of a new system.
Mutiny: an open rebellion against the proper authorities, especially by soldiers or sailors against their officers.
Anarchy: a state of disorder due to absence or non-recognition of authority or other controlling systems.