The Royal Australian Navy (RAN) is the naval branch of the Australian Defence Force. Established in 1901, it is responsible for protecting Australia's maritime interests and ensuring the security of its waters. The RAN operates a range of vessels, including submarines, frigates, and patrol boats, and participates in various international exercises and operations. The Navy's primary roles include maritime defense, humanitarian assistance, and disaster relief. It also plays a crucial part in maintaining peace and stability in the Indo-Pacific region. The RAN works closely with allied navies, enhancing cooperation and interoperability through joint training and missions.