It's periscope depth. Rigged Red for nightime deployment of Seals lounging around base of conning tower.
Rigged Red for periscope night vision. Surgical snatch and grab? Extra tank on deck.
It's periscope depth. Rigged Red for nightime deployment of Seals lounging around base of conning tower.
Rigged Red for periscope night vision. Surgical snatch and grab? Extra tank on deck.