Media reports of the endorsement of the launch of a planning process to replace Australia's Collins class submarine fleet sometime in the 2020s have cited a cost of up to $25 billion. This paper explains why the cost might be so high, and examines some of the compromises that would be necessary to reduce the...

The building of three Air Warfare Destroyers for the RAN is one of the largest Defence decisions the Australian Government will make. The field has been narrowed to two competitors. This ASPI Policy Analysis looks at the pros and cons of the two options. The building of three Air Warfare Destroyers for the RAN is...

Modern submarines are stealthy and heavily armed with an array of weapons, including missiles, torpedoes and mines. They are able to strike targets on the surface, on land or even—in the not too distant future—in the air. Countering their impact requires a sophisticated capability including the integration of a range of sensors, weapons and countermeasures...