All submarines are limited solely by the amount of food onboard. Toward the end of a deployment, the meals get interesting (chili mac with a side of canned beets, for example). The longest that I've been submerged was about four months, followed by two quick port visits, followed by two months at sea.
A smart TV, sometimes referred to as connected TV or hybrid TV, is a television set or set-top box with integrated Internet and interactive Web 2.0 features. Smart TV is a technological convergence between computers and flatscreen television sets and set-top boxes.
If a smaller TV is in order, the Samsung 32-inch M5300 Full HD TV is worth considering for its robust smart TV capabilities. Smart TVs are about to get a lot smarter. Amazon's Alexa is coming to new Hisense TVs in 2018, Samsung is enhancing its smart TVs with Bixby voice assistant and LG has Google Home built right into most of its upcoming 4K smart TVs. Watch for the new sets to arrive in March or April.