Australian and U.S. defence officials have spent 18 months [1] negotiating changes to the AUKUS submarine procurement plan.
This shift in strategy alters the fundamental composition of the fleet Australia intends to acquire. By changing the mix of vessels, the two nations aim to ensure the fleet remains sustainable and integrated with existing U.S. naval infrastructure.
Under the revised plan, Australia will purchase three second-hand submarines [2]. This replaces the previous arrangement, which called for the acquisition of two second-hand vessels and one new Virginia-class submarine [2].
Jonathan Mead, chief of the Australian Submarine Agency, said that sensitivities with the U.S. prevented the government from disclosing the change earlier. He said that the government did not want a new Virginia-class submarine that would be an "orphan" capability.
The discussions regarding these changes began approximately 18 months ago [1]. The move to secure three used vessels is intended to avoid the logistical and operational challenges associated with maintaining a single new vessel that differs from the rest of the acquired fleet.
Defence officials from both nations have been coordinating the transition to ensure the partnership remains viable. The focus remains on the long-term goal of the AUKUS partnership to enhance security in the Indo-Pacific region through shared technology, and maritime capabilities.
“Australia will purchase three second-hand submarines”
The decision to pivot toward three second-hand submarines suggests that operational pragmatism is outweighing the prestige of owning a brand-new vessel. By avoiding an 'orphan' capability, Australia reduces the risk of facing unique maintenance and training requirements for a single ship, ensuring the fleet is more uniform and easier to support using established U.S. Navy pipelines.





