Australia, the United Kingdom and the United States have announced the first AUKUS Pillar II signature project focused on advanced payloads and enabling systems for uncrewed undersea vehicles (UUVs), with deliveries set to begin in 2027.
The AUKUS Pillar II Signature Project will deliver UUV payloads and enabling systems that can be used across each country’s UUVs. The AUKUS Pillar II signature project will:

