Official Named Indonesia as Hypothetical Adversary
Former official Michael Pezzullo suggested Indonesia as a potential adversary during testimony on September 2, 2026.
Updated on Sept. 20, 2026 in Military

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During testimony at the Aukus Public Inquiry on September 2, 2026, former Australian official Michael Pezzullo identified Indonesia as a hypothetical adversary. The remarks have caused diplomatic tension, as Indonesian officials raised concerns with their Australian counterparts in Jakarta following the publication of his testimony.
Why it matters
Pezzullo used the scenario to argue that Australia requires nuclear-powered submarines to neutralize an enemy's fighting capability independently. The comments caused friction because they publicly framed Indonesia as a potential threat despite a security agreement signed by the two nations in February 2026.
Pezzullo provided testimony on September 2, 2026, as part of the Aukus Public Inquiry. The incident occurred despite a security agreement signed in February 2026, while the scope of official Australian policy on regional adversaries remains under internal review.
The players
Michael Pezzullo
He is a former Australian government official who provided public testimony regarding regional defense strategies.
Susilo Bambang Yudhoyono
He is the former president of Indonesia whose mobile phone was monitored by Australian intelligence in 2013.
The details
Pezzullo cited the potential for conflict to justify the necessity of nuclear-powered submarines, which he claimed are vital for Australia to operate without total reliance on allies. In response to the comments, Indonesian officials expressed significant unhappiness through informal diplomatic channels in Jakarta.
Timeline
Australian intelligence monitored a mobile phone in 2013.
A security agreement between Australia and Indonesia was signed in February 2026.
A drone was found in the Lombok Strait in April 2026.
Michael Pezzullo testified at the inquiry on September 2, 2026.
News24 first published the remarks on September 5, 2026.
Political Context
Critics of the testimony argue that identifying neighbors as hypothetical threats undermines long-standing diplomatic efforts to stabilize regional relations. Opponents of such rhetoric emphasize that existing security agreements are intended to prevent the very adversarial categorization that Pezzullo presented.
This diplomatic friction may affect travel and business cooperation between the two nations as security concerns are prioritized. Citizens should monitor for any changes to bilateral security protocols or travel advisories resulting from shifting official rhetoric.
The takeaway
Diplomatic statements regarding national security require careful navigation to avoid damaging existing international partnerships. Readers should note that rhetoric regarding hypothetical threats can have tangible consequences for regional stability and policy execution.
Further reading
For broader context on regional defense initiatives, explore the Military section.
Source note: This article includes information reported by South China Morning Post.
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