Breaking Defense

As the company’s co-founder heads to Washington to take over its US operations, a tiny and promising Australian company called Silentium has announced early delivery of its first passive radar systems to help build Australia’s Joint Air Battle Management System, known as AIR6500.

If Ukraine has taught the US Army and its allies and partners anything, it is that weapons that emit electromagnetic waves, like radar or radios, will be targeted and probably destroyed. Passive radar detects and tracks objects, as does active radar, but it does not emit a signal. That means it’s much harder to detect and can’t be used for counter-battery targeting, as can an active radar — as the Russians have demonstrated so well in Ukraine.

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