Mitsubishi Electric Partners with US-based Array Labs to Develop Space-based AMTI for Asia-Pacific, Enhancing Stealth Detection

August 17, 2026

Aviation Week Japan

Overview

Mitsubishi Electric announced a strategic partnership with U.S. startup Array Labs to develop space-based Airborne Moving Target Indication (AMTI) technology for the Asia-Pacific region. Array Labs aims to reduce satellite costs by utilizing robust commercial off-the-shelf electronics instead of expensive space-grade components. This technology promises to significantly enhance detection capabilities against stealth aircraft, marking a critical step in bolstering Japan’s defense and providing new surveillance capacities for regional security.

In Depth

Mitsubishi Electric, a leading Japanese defense and space conglomerate, has announced a strategic partnership with Array Labs, a U.S. space startup. This collaboration focuses on developing space-based Airborne Moving Target Indication (AMTI) technology, which holds the potential to dramatically enhance defense and surveillance capabilities across the Asia-Pacific region. Specifically, the technology is expected to significantly improve the detection of stealth aircraft, which are difficult to track with conventional radar, thus carrying considerable implications for regional security.

Innovations in AMTI Technology

AMTI is a radar technology designed to distinguish moving targets, such as aircraft and missiles, from stationary ground clutter. Implementing this technology from space enables constant, wide-area surveillance of Earth, overcoming the limitations of terrestrial horizons in target detection. Array Labs’ approach is innovative in its aim to substantially reduce satellite development and manufacturing costs by utilizing robust commercial off-the-shelf (COTS) electronic components, rather than relying on expensive, custom-made space-grade parts. This cost-effective strategy facilitates the deployment of numerous AMTI satellites in a ‘constellation,’ providing persistent and extensive surveillance capabilities.

Mitsubishi Electric’s Role and Strategic Significance

Mitsubishi Electric possesses extensive experience in radar technology and space system development, making it a key player in Japan’s defense and space industries. This partnership will combine Array Labs’ innovative satellite design with Mitsubishi Electric’s sensor technology, system integration capabilities, and deep understanding of operational needs in the Asia-Pacific. This technology will bolster Japan’s Intelligence, Surveillance, and Reconnaissance (ISR) capabilities, particularly against potential threats from regional actors. By enabling constant surveillance from space, the operational advantages of stealth aircraft could be neutralized, thereby functioning as a strategic deterrent.

Future Outlook

The collaboration between Mitsubishi Electric and Array Labs exemplifies how commercial space technology can impact national security. The development of low-cost, high-performance space systems will enable more nations to acquire advanced space-based surveillance capabilities, potentially influencing the international military balance. This project is expected to undergo in-orbit demonstration missions within a few years, aiming for practical service commencement in the early 2030s. Space-based AMTI is set to become an indispensable component of future defense strategies, laying a new foundation for the security architecture in the Asia-Pacific region.

Source: https://aviationweek.com/space/commercial-space/interest-space-based-amti-counter-stealth-spreads-japan

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