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Here's your afternoon, T&B Tech Minute for Wednesday, March 18th. I'm Julie Chang for the Wall Street Journal.

Advanced navigation has reached Silicon Valley's prized unicorn status, raising $110 million

in its latest funding round. The Australian startup built AI-assisted hardware that helps aircraft,

ships, and other vehicles navigate GPS dead zones, including in areas where GPS is deliberately

jammed. GPS jamming has been common along the Russia-Ukraine border in recent years, and now the

Strait of Hormuz, through which 20% of the world's oil is transported, is under such attacks.

Boeing and Airbus are already customers of advanced navigation. The company is now looking

to accelerate growth in the U.S. and Europe. Canada's defense and space technology companies are

being pulled into a global upswing of military spending. Crack and robotics is benefiting

from a surge in subsea surveillance and robotics orders, while Telesat and MDA space are

seeing stronger pipelines tied to space-based communications, earth observation, and intelligence

systems. Together, these trends are creating unusually large backlogs across the sector. Investor

enthusiasm has followed, and shares of these Canadian defense names have rallied sharply over

recent quarters. And NVIDIA is launching the Nemotron Coalition to develop open AI models that

offer an alternative to proprietary giants such as OpenAI and Anthropic. CEO Jensen Huang

...