naval unit (noun)

1. In the horror movie, a naval unit encounters a haunted ship full of ghosts.

2. According to Greek mythology, Poseidon, the god of the sea, commanded a powerful naval unit.

3. In the cartoon series, the brave and fearless mice form a clever naval unit to defend their homeland.

4. In the futuristic science fiction novel, a highly advanced robotic naval unit protects a colony on Mars.