Why is a modern submarine divided into distinct, pressurized compartments.The answer isn’t just about structural integrity—it is about survival.But this life-support system exists to protect one thing:The Nuclear Trident 2 D5 Missile.But Firing a missile inside a submarine would destroy the boat,so how do they do it?Well They use a high-pressure ‘cold launch’ to punch the weapon through the ocean surface before the main engines ever turn on.”But here is the real mystery:We have the Minuteman 3 on the ground and the B-2 Spirit in the air. So, why do we spend billions to put nukes under the ocean?Well Unlike vulnerable silos or bombers, a submarine vanishes.Even if the entire map is wiped clean by Nuclear Weapons, the sub remains hidden in the dark, ready to launch the final counter-attack if Needed, all in the video ahead