The container is up on the center tower.
The container is at the camp border next to a green container with satellite dishes at the top.
Above Storage 2 is a building with round roofs. Inside is the Data Pad.
Exit the room, go over the bridge. Storage 3 is inside the room to the right.
Ark Chest 1:
Inside the room of Storage 3 you can go up the ramp. There's Ark Chest 1.
Go down again to the Storage 3 room, exit it and walk towards w to get Storage Container 4.
From Storage 4 go to the building in the north to get Storage 5 (screenshot is looking at Storage 4 location out of the window).
Ark Chest 2:
Ark Chest 2 is in a small room at ground level behind the Hangar structure.