Micronesia, Federated States of
defense is the responsibility of the
US

Monaco
defense is the responsibility of France

Montenegro
Montenegrin plans call for the establishment of a fully
professional armed forces

Montserrat
defense is the responsibility of the UK

Nauru
Nauru maintains no defense forces; under an informal
agreement, defense is the responsibility of Australia

Navassa Island
defense is the responsibility of the US

Netherlands Antilles defense is the responsibility of the Kingdom of the Netherlands

New Caledonia
defense is the responsibility of France

Niue
defense is the responsibility of New Zealand

Norfolk Island
defense is the responsibility of Australia