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Australia and U.S. Agree to Accelerate Force Posture in Australia

The move aims to strengthen deterrence against China through expanded U.S. rotations and logistics, with operational details to be released at AUSMIN later this year.

Overview

  • Australia’s defence minister Richard Marles and U.S. defence secretary Pete Hegseth agreed on Wednesday to speed up force‑posture initiatives that will increase U.S. military activity and cooperation at Australian bases.
  • Officials confirmed that U.S. nuclear‑powered Virginia‑class submarines will begin rotating through HMAS Stirling, with reporting putting the supporting U.S. personnel presence at roughly 1,000 to 2,300 people during rotations starting in 2027.
  • The expansion covers more than ship visits and troops and includes deeper cooperation on logistics, joint exercises and interoperability across air, cyber and space systems.
  • Former senior officials and public inquiry witnesses warned the closer integration reduces Australian control over some facilities and raises the risk Australia could be drawn into a U.S.‑China clash or become a target in a conflict.
  • Details will be formalised at the next AUSMIN meeting and come alongside U.S. pressure for higher allied defence spending as Australia lifts its budget to about 2.8% of GDP while pursuing further increases under AUKUS, the pact that underpins the submarine plans.