You can get Uranium from the Uranium Production Unit that you can buy from the Black Market Dealer.
It's slow to produce Uranium, and it costs 1 million to spawn in.
To make profit with it, you'll want to stay on in a well protected base for a while.

You can get Uranium from the Uranium Production Unit that you can buy from the Black Market Dealer. It's slow to produce Uranium, and it costs 1 million to spawn in. To make profit with it, you'll want to stay on in a well protected base for a while.