Science and technology have changed the face of warfare. With a defining speed and accuracy, weapons today are far more lethal and dangerous. Naval warfare got it much-needed fillip with Submarines. Called a 'sub' in short, the submarine is a watercraft capable of operating completely underwater. Other than their attack and deterrent use, submarines have multiple civilian uses as well. In this video, let's take a look at different classes of submarines in detail. <br /> <br />#Submarines #Navy #SubmarineClasses<br /> ~PR.151~ED.155~HT.96~
