An Anti-Aircraft Site found on the shores of the Halcon Reservior in Valle de Oro.
- This Anti-Aircraft Site is found on the Eastern shores of the Halcon Reservoir, in Barriel within Valle de Oro.
- Make your way to the Northeastern fence, where there is an open gate (and another opening to the East.
- Go into the shipping container to the East of the Site to find a notice revealing the Treasure Hunt: Sword-Crossed Lovers.
- Going into the Anti-Aircraft Site to the West.
- Make your way to the Cannon itself.
- Turn to the South and look to the Guard Post South of there.
- Inside here, you will find the container with Depleted Uranium.
- Collect the Uranium and then turn to the Cannon.
- Arm yourself with an Explosive, Rocket Launcher, or Grenade Launcher and blow it up.