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Australia Receives First MC-55A ISREW Aircraft

January 26, 2026

2 min read

Key Takeaways

First MC-55A ISREW aircraft arrives in Australia.
Aircraft is based on the Gulfstream G550 business jet.
MC-55A will serve with RAAF's 10 Squadron.
Four aircraft were approved for acquisition in 2017.

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Strategic Implications

The introduction of the MC-55A may enhance Australia's airborne surveillance capabilities, suggesting a significant investment in electronic warfare and intelligence gathering. This could indicate a shift in Australia's defense priorities, potentially strengthening its position in regional security and cooperation with allies like the US and UK.

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What Happened

Modified Business Jet Boosts Australian Airborne Surveillance

The Australian military has taken delivery of its first MC-55A Peregrine Intelligence Surveillance Reconnaissance and Electronic Warfare (ISREW) aircraft, a heavily modified Gulfstream G550 business jet. The aircraft, which will serve with the Royal Australian Air Force’s 10 Squadron, represents a significant step forward in Australia’s ability to monitor and protect its strategic interests. According to Defence Minister Richard Marles, the MC-55A will integrate seamlessly with allied and partner systems, enabling the sharing of intelligence with security partners. The aircraft was modified by L3Harris and is part of a four-aircraft acquisition approved in 2017, as reported by Breaking Defense.

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