You bet they do.<p>Commissioned officers are responsible for the boat and the crew.  That doesn&#x27;t mean that they do all the work, but they are responsible for making sure it&#x27;s done correctly and getting it done correctly if the crew can&#x27;t.  They are also responsible for training the crew to the highest standards.<p>Source: spent two years at the Naval Academy and one tour on a nuclear submarine during the summer.