A submarine is a water craft skilled for the purpose of autonomous operation underwater. It contrasts from a submersible, which has more constrained underwater competence. The term submarine most usually points to an imposing ran independent vessel. On the other hand, verifiable or conversationally, submarine can moreover point to medium-estimated or more diminutive vessels (smaller person submarines, wet subs), remotely worked vehicles or robots.
Originally posted: November 27, 2012