The New Zealand Defence Force (NZDF; Te Ope Kātua o Aotearoa, "Line of Defence of New Zealand") is the three-branched military of New Zealand. The NZDF is responsible for the protection of the national security of New Zealand and her realm, promoting its interests, safeguarding peace and security, as well as supporting peacekeeping and humanitarian missions. It consists of three services: the Royal New Zealand Navy (RNZN), the New Zealand Army and the Royal New Zealand Air Force (RNZAF), as well as 'tri-service' components. The NZDF has a strength of 15,191 made up of 9,215 regular force personnel, 3,030 reserve force personnel and 2,946 civilian members. It is supported by the New Zealand Ministry of Defence (MOD) and is commanded by the Chief of Defence Force (CDF).
The principal roles and tasks expected of the NZDF is to provide a combat capable force to defend New Zealand’s sovereign territory, and protect critical lines of communication.