There is a revealing cruelty in the language of defence planning. A capability that can land on rough strips, carry supplies into disaster zones, evacuate the injured and reach the places larger aircraft cannot safely touch down becomes, in bureaucratic prose, a “platform”. A fleet that has repeatedly served Australia’s Pacific neighbours becomes a line item to be “transitioned”. And a decision that may leave remote communities more exposed after cyclones, earthquakes, volcanic eruptions and floods is recast as modernisation.
Australia’s plan to retire its fleet of 10 C-27J Spartan aircraft and replace them with a “commercial aircraft fleet” for Pacific personnel and logistics movement should be seen for what it is: another small but telling surrender of Australian strategic judgement to a defence establishment increasingly organised around a US-led conflict scenario in the Indo-Pacific, rather than around the practical needs of Australia’s immediate region.
The government’s formal position is that Australia is becoming more self-reliant. The 2026 National Defence Strategy says Defence will increase “greater self-reliance”, build a more resilient sovereign industrial base, and improve civil preparedness. But in the same document, the gravitational centre is unmistakable. It says the US presence is required for any effective balance of military power in the Indo-Pacific, that the US expects allies to contribute more to collective defence, and that Australia-US interoperability, intelligence sharing and industrial collaboration remain critical to Australia’s national security. It also commits Australia to force posture cooperation, AUKUS, guided weapons collaboration and contributions to collective deterrence.
That is the context in which the Spartan decision should be judged.
The C-27J is not glamorous. It is not a nuclear submarine. It is not a missile system. It does not fit neatly into the new liturgy of long-range strike, autonomous systems, deterrence by denial and high-end warfighting. But it does something Australia actually needs in the Pacific: it can get into places that larger aircraft struggle to reach. Defence’s own project page says the Spartan can operate in “remote and austere environments” and from “rudimentary airstrips”, while conducting humanitarian and disaster relief, search and rescue, aeromedical evacuation, cargo transport and airdrop tasks.
That matters in Papua New Guinea and across the island Pacific. It matters in places where the runway may be short, soft, wet, damaged, unlit, mountainous, marginal or barely a runway at all. It matters because disasters rarely wait until the airport is convenient.
Defence has already acknowledged the aircraft’s value. Under the Defence Pacific Air Program, C-27J detachments have rotated through PNG and Fiji to support sovereign airlift and surveillance requirements. The program was established at the request of those countries. Defence told a parliamentary inquiry that the C-27J was the centrepiece of bimonthly air mobility detachments to PNG and Fiji, and that a Spartan was the first aircraft to deliver humanitarian supplies after the Mount Bagana volcanic eruption in Bougainville.
An Australian government account of a Spartan deployment to PNG put it even more plainly. A RAAF pilot said the C-27J could access coastal fields, highlands fields and island airstrips, and was “particularly adept” around PNG and the south-west Pacific because it could reach more austere fields and was well suited to humanitarian and disaster relief.
So what is Australia proposing to put in its place? Not another tactical airlifter, at least not according to the direction now being reported. The Spartan fleet is expected to be replaced by commercial-type aircraft for personnel and logistics transport across the Pacific. That may reduce operating costs. It may make routine transport simpler. It may suit flights between proper airports. But it will not replace what the Spartan does.
An ATR 72 freighter, for example, can carry useful cargo and is a plausible commercial option. ATR says the ATR 72-600F has a maximum structural payload of 9.2 tonnes and a large cargo door. A Dash 8-400 would also be plausible, especially if Defence wants a rugged regional turboprop; De Havilland promotes it as a high-capacity turboprop, with special mission variants and unpaved runway operations.
But neither is a true tactical replacement for a C-27J. A commercial turboprop is not designed around military rough-field access, rear-ramp loading, airdrop, tactical cargo handling, rapid loading of awkward freight, or austere operations in the same way. If the government wants a genuine Spartan replacement, the obvious class of aircraft is something like the Airbus C295, which Airbus says has short take-off and landing performance from unpaved, soft, sand and grass airstrips, and is used for disaster relief, search and rescue and remote resupply.
That choice would preserve the mission. A commercial fleet would redefine it.
The government’s defenders will say the expanded C-130J Hercules fleet will compensate. Australia is increasing the Hercules fleet from 12 to 20. The C-130J is a proven, rugged, indispensable aircraft. But it is larger, heavier and more expensive. It is not a like-for-like substitute for a smaller tactical aircraft operating into marginal strips. In practice, Australia may retain the ability to move large volumes to major hubs while losing flexibility at the last mile.
That is where the policy becomes strategically incoherent. The same Defence strategy that acknowledges climate change will increase demand for humanitarian assistance and disaster relief in the region is moving away from the kind of aircraft that actually helps in the difficult early phase of those events. The 2026 strategy states that climate hazards will grow in severity, that natural disasters will strain emergency response systems, and that demand for HADR operations in the region will increase.
Yet when the time comes to decide what kind of aircraft Australia should keep, the capability designed for rough access appears to lose out to the priorities of a force increasingly shaped by high-end deterrence.
This is not an isolated decision. It fits a pattern. Australia’s defence architecture is being rebuilt around the US alliance: AUKUS, northern base upgrades, submarine rotations, missile cooperation, US force posture initiatives, interoperability and collective deterrence. Defence says the United States Force Posture Initiatives include Marine Rotational Force-Darwin, Enhanced Air Cooperation, Enhanced Maritime Cooperation, Combined Logistics Sustainment and Maintenance Enterprise, and Enhanced Space Cooperation. It also says work continues on upgrades to northern bases including Darwin and Tindal, with surveys for Scherger and Curtin, and that future cooperation includes enabling logistics such as prepositioned stores, munitions and fuel.
The Parliamentary Library has been similarly blunt about the direction of travel. It notes US investment in northern Australian bases, regional maintenance hubs, rotational forces and resupply stockpiles, and warns that US-China strategic competition increases the risk that Australia and other allies might be drawn into conflict around Taiwan or the islands and shoals of the South China Sea.
That does not prove the Pentagon ordered the Spartan retirement. It does not need to. The deeper problem is not a single instruction from Washington. It is the steady internalisation of US strategic priorities by Canberra. Australian defence policy is increasingly written as if the central test of national seriousness is whether Australia can plug itself more deeply into a US-led deterrence network aimed at China.
Meanwhile, the Pacific is told it is family.
Family, apparently, will get a cheaper commercial transport solution.
The sovereignty issue is not abstract. Sovereignty is not just whether an Australian minister signs the procurement document. It is whether Australia’s force structure reflects Australia’s own geography, obligations and moral responsibilities. It is whether Defence is optimised for the country we are, or for the alliance role Washington would prefer us to play.
For PNG, Solomon Islands, Vanuatu, Fiji and the wider Pacific, Australian responsiveness is not measured in communiques about deterrence. It is measured in hours after a cyclone. It is measured in whether aircraft can land when the wharf is damaged, the road is gone, the hospital is overwhelmed and the only usable strip is small, soft and risky. It is measured in whether Australia can arrive before others do, and arrive in a way that meets local needs rather than strategic theatre.
There is a sharper irony here. The C-27J itself was not a perfect procurement. It reportedly suffered sustainment problems and availability issues. Australian Defence Magazine has reported that the Spartans were delivered from 2016 to 2018, have reportedly been costly to maintain, but have performed well flying in and out of austere airfields around the region. That is exactly the point. If sustainment is the problem, fix sustainment. If the fleet is too small, integrate it better. If the aircraft is the wrong model, buy a more supportable aircraft in the same operational class. But do not pretend a civilian regional turboprop is a tactical airlifter.
A genuinely sovereign decision would begin with the mission, not the alliance architecture. It would ask: what does Australia need to do for its own people and its nearest neighbours in the first 72 hours after a regional disaster? What aircraft can land on the strips that actually exist across PNG and the Pacific, not just the runways that appear in neat procurement tables? What capability would Pacific governments themselves value? What mix of C-130J, smaller tactical transports, commercial aircraft, helicopters and local contracted operators would deliver the fastest practical response?
Instead, Australia appears to be drifting toward a two-tier air mobility model: high-end military lift for strategic operations and commercial aircraft for routine Pacific transport. Missing from the middle is the ugly, unglamorous, essential capability that gets aid closer to where people actually are.
That gap is not merely technical. It is political.
For years, Australian governments have insisted that the Pacific is central to national security. They have warned that other powers are seeking influence. They have spoken of partnership, respect and listening. But partnership is not proven by rhetoric. It is proven by choices. Retiring the aircraft most visibly associated with Pacific airlift and replacing it with commercial platforms sends a message, whether Canberra intends it or not: Australia is willing to spend vast sums preparing for a future war alongside the United States, while economising on the machinery of immediate help to its neighbours.
The government will call this balance. It will say Australia can do both. It will point to the Hercules expansion, regional programs and the continuing Pacific commitment. But capability gaps are not filled by reassurance. They are filled by aircraft that can land.
If the Spartan fleet is to go, the burden should be on Defence to prove, publicly and specifically, that its replacement can reach the same kinds of airstrips, in the same conditions, with the same urgency. It should publish the operational requirement. It should explain how many Pacific airfields will become inaccessible to Australian fixed-wing military support under the new model. It should consult PNG and Pacific governments before finalising the replacement. It should compare commercial aircraft not against spreadsheet costs, but against cyclone debris, wet grass, highland approaches, damaged pavement, no forklifts and no time.
Above all, it should stop using “sovereignty” as a slogan while building a force increasingly shaped around someone else’s strategic horizon.
Australia does need to deter coercion. It does need allies. It does need credible defence capability. But a country that cannot independently prioritise the urgent needs of its own neighbourhood is not becoming more sovereign. It is becoming more useful.
And in the Pacific, usefulness will not be judged by how neatly Australia fits into a US war plan. It will be judged by whether, when the next disaster hits, we can still land.
Read More
https://www.aph.gov.au/DocumentStore.ashx?id=856d95cf-38a7-473e-80c6-8c802a6a28a0&subId=761061
https://png.embassy.gov.au/pmsb/1338.html
https://www.atr-aircraft.com/aircraft-services/aircraft-family/atr-72-600f-freighter/
https://dehavilland.com/dash-8-400/
https://www.airbus.com/en/products-services/defence/military-aircraft/c295
https://www.australiandefence.com.au/news/news/increasing-geopolitical-risk-drives-nds-and-iip
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