Which of the following services is NOT part of the ADF?

The Australian Defence Force (ADF) is composed of three primary branches: the Royal Australian Navy, the Australian Army, and the Royal Australian Air Force. Each of these services plays a distinct role in Australia's defense operations, contributing to national security and responding to various challenges.

The Royal Australian Navy is responsible for maritime operations, ensuring the security of Australia’s waters and conducting offensive and defensive strategies at sea. The Australian Army is tasked with land-based military operations and maintaining Australia’s ability to respond to conflicts on land. The Royal Australian Air Force provides air support and oversees aerial defense.

In contrast, the Australian Coast Guard is not part of the ADF; it is a civilian agency focused primarily on maritime safety, search and rescue operations, and environmental protection in Australian waters. While the Coast Guard may collaborate with or support ADF operations, it functions independently and is not classified under the military branches of the ADF. Understanding the distinct roles of these organizations is crucial for recognition of the various components involved in Australia's national defense structure.