Australia, US, and UK to jointly develop and share hypersonic technologies under AUKUS agreement

Australia, US, and UK to jointly develop and share hypersonic technologies under AUKUS agreement

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The United States, Australia, and the United Kingdom are taking a step forward in defense innovation by accelerating the development of hypersonic technologies under a new AUKUS agreement. This latest trilateral partnership is a part of the AUKUS alliance that aims to bolster collective security and maintain a technological edge for Western partners in the Indo-Pacific region.

The collaboration is centered around the Hypersonic Flight Test and Experimentation (HyFliTE) Project Arrangement, which facilitates shared resources, testing facilities, and technical expertise. Through this effort, the nation aims to advance hypersonic vehicle capabilities, particularly long-range strike missiles capable of traveling faster than the speed of sound and being launched from land, sea, or air.

The agreement outlines up to six trilateral hypersonic test campaigns by 2028, with a total funding pool of approximately $252 million. These tests will enhance experimentation, accelerate technology development, and integrate existing national efforts.

UK Defense Secretary John Healey emphasized the significance of this partnership, stating “This landmark arrangement with our US and Australian partners demonstrates the commitment of AUKUS partners to staying at the forefront of battle-winning defense technology. By combining our expertise and resources with those of our closest allies, we are accelerating the development of crucial hypersonic capabilities.”


Shared expertise

The U.S. Under Secretary of Defense for Research and Engineering, Heidi Shyu highlighted the collective impact of the initiative. “We are increasing our collective ability to develop and deliver offensive and defensive hypersonic technologies through a robust series of trilateral tests and experiments that will accelerate the development of hypersonic concepts and critical enabling technologies,” Shyu said.


Critical technologies under the project include advanced propulsion systems, high-temperature materials, and precision guidance and control systems. These technologies underpin the performance of hypersonic weapons and promise to deliver superior operational capabilities for the AUKUS nations.

Beyond defense, the arrangement is expected to stimulate economic growth and create high-skilled jobs, particularly in the UK. The Hypersonic Technologies and Capability Development Framework (HTCDF) has identified over 90 suppliers to support the initiative, with a commercial headroom of up to $1 billion.

The framework also facilitates seamless collaboration between industrial bases across the AUKUS nations and European allies, ensuring resilience in supply chains and breaking down barriers in acquisition systems.


Trilateral testing integration

A key feature of the agreement is the integration of testing facilities and weapons ranges. For example, Australia’s expansive test sites, such as Woomera, will play a critical role in supporting long-range hypersonic test campaigns. According to an Australian Defense Ministry spokesperson, these facilities offer operational flexibility for programs like SCIFiRE (Southern Cross Integrated Flight Research Experiment).

Additionally, the collaboration will leverage shared knowledge and resources, significantly reducing the time and cost required for development. Pentagon spokesperson Major Pete Nguyen confirmed, “The U.S. DoD is committed to working closely with the Australian Department of Defense and the UK MOD to further the pursuit of common and consistent objectives for affordable and responsive flight testing of hypersonic technologies and concepts.”

Concept image of a hypersonic weapon by UK’s DE&S
Concept image of a hypersonic weapon by UK’s Defense Equipment and Support (DE&S). (Image Credit: DE&S)

The HyFliTE initiative falls under AUKUS Pillar II, which emphasizes emerging defense technologies. This collaboration is seen as a major leap forward in integrated deterrence and the development of battle-winning capabilities.

Existing national efforts are being streamlined into the trilateral framework, providing opportunities for testing and experimentation that would be challenging for any single nation to undertake alone.

Shyu reiterated the importance of shared goals, “Collaborative efforts are accelerating the development of underpinning enabling technologies, such as high-temperature materials, advanced propulsion systems, and guidance and control. Each of these technologies is integral to the performance of hypersonic weapon systems and provides enhanced operational capability.”

The AUKUS nations have made it clear that this initiative is about more than just advancing technology—it’s about ensuring security and stability in a rapidly evolving threat environment. The joint effort highlights the importance of pooling resources and expertise to stay ahead of adversaries.

As Healey stated, “This work will keep us ahead of our adversaries on the battlefield, enhance our collective security, and contribute to maintaining peace and stability in an increasingly complex and dangerous world.”

With testing already underway, the AUKUS nations are setting a precedent for international collaboration in defense technology, ensuring they remain at the forefront of global security innovation.

AUKUS officials meeting
U.S. Secretary of Defense Lloyd J. Austin III meets with Australian Defense Minister Richard Marles (L) and British Defense Secretary John Healey at the AUKUS defense ministerial meeting in London, on September 26, 2024. (Image Credit: U.S. DOD/Chad J. McNeeley)

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