Australian HMAS Waller penetrated US carrier screen in | The BriefBrief
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Event Brief

Australian HMAS Waller penetrated US carrier screen in

Filed: Sep 13, 2026 at 7:00 PM ET
Summary: During RIMPAC exercises around Hawaii in 2000, Australia’s HMAS Waller, a Collins-class diesel-electric submarine, hunted a formation built around the USS Abraham Lincoln. After operating inside the carrier group, it changed sides, killed two US Navy nuclear attack submarines, penetrated the surface screen, and simulated a torpedo attack on the carrier.
WHO: HMAS Waller (Royal Australian Navy) and the USS Abraham Lincoln carrier formation
WHAT: HMAS Waller penetrated the surface screen around a US Nimitz-class aircraft carrier formation and simulated a torpedo attack during RIMPAC exercises.
WHEN: Sep 13, 2026
WHERE: Hawaii
WHY: The exercise scenario involved Waller hunting and then attacking the carrier formation, demonstrating carrier vulnerability during RIMPAC.

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