You opened the next door, you saw a.. Turret. One of it's red lines caught you in its line of sight, preparing to shoot. You took cover, making the bullets hit the locker keeping you unharmed. You saw a breaker box with a lever on it. The color was green, you ran over to the breaker box, and switched the lever. The color became orange-red like and the turret disabled. You were relieved the turret was disabled, but still worried there would be more turrets in the Hadal Blacksite...