Jared Leto isn’t just starring in Tron: Ares, he’s living it.

The Oscar winner, whose estimated net worth is about $US90m ($A137m), has transformed a top-secret Cold War military compound into one of Los Angeles’ most extraordinary celebrity homes.

Hidden behind steel gates in the Hollywood Hills, Leto’s Laurel Canyon property is a decommissioned US Air Force base that once helped film America’s atomic weapons program.

The sprawling Lookout Mountain Air Force Station was built in the 1940s as a radar hub before being converted into a classified military film studio, where crews with top-secret clearance produced nuclear test footage for the government.

Leto quietly snapped up the Cold War relic for $US5m ($A7.5m) in 2015, buying it off-market through a trust.

The enormous compound cov

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