submersible

Bathysphere, a submersible launched nearly 100 years ago, helps realize scientists' desire to directly observe deep-sea creatures.

The Dutch submarine maker U-Boat Worx has just launched the Super Sub electric motor submersible with a bullet-shaped design and can operate continuously for 8 hours.

The Japan-based marine research agency based in Kanagawa prefecture plans to study and develop the world's most proficient diving diver.