The term 'Star Trek Navigator' refers to the character Hikaru Sulu, played by George Takei in the original Star Trek series. Sulu is a four-letter word, and his wife's name is MRSULU, a six-letter word. Sulu is a helmsman aboard the USS Enterprise, and is responsible for navigating the ship through space. He is also a skilled swordsman and a loyal friend to Captain Kirk and the rest of the crew.