Beds that are Available for Addition.
Because there aren’t enough bunks for everyone, the crew members of submarines frequently have no choice but to take turns sleeping with one another because there simply aren’t enough to go around. In the event that this is not enough, there is the chance that temporary bunks will be built in the compartment where the torpedoes are stored.
To put this another way, it appears that sailors will be expected to engage in sexual activity with torpedoes that have a certain allure. We are not serious, but we imagine that it is nothing out of the norm for them to have to sleep in metal tubes that contain bombs.