Cramped and heavily armed - see what life is like aboard a nuclear submarine with these photos

It still might be more cramped than an apartment in New York, but navies across the world have developed their submarines with both upgraded safety measures and creature comforts for the modern-day sailor.

Life on a submarine, which now sometimes has designated areas for maintaining fitness and even for playing video games, doesn't necessarily mean you'll be miserable several hundred meters below the sea.

Here are several photos that depict the life of a sailor inside a modern submarine:

An earlier version of this article was originally written by David Choi.