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 one of the largest Defence decisions the government will make. The field has been narrowed to two competitors. The government has a hard choice, and must balance the warfighting capability to be acquired and the risk to the project of demanding requirements. This ASPI Policy Analysis looks at the pros and cons of the two choices.