deep-sea sub

Underwater research vessel

A deep-sea sub is a submersible vessel designed to operate at extreme ocean depths, where pressure would crush conventional submarines.

These craft are used for scientific research, underwater exploration, and recovery operations: The deep-sea sub descended to the wreck of the Titanic.

Often shortened to simply sub in context.

Related

vessel · hull · porthole · sonar · Mariana · trench · bathysphere · exploration · James Cameron · darkness · pitch black · crush · titanium · descent · water pressure · hydrothermal · vents · research vessel

Opposites
operational depth

deep-sea subaircraft

Airborne transportation vehicle

ocean liner · cruise ship · cargo ship · sailboat · yacht

vertical domain of operation

deep-sea subaircraft

Airborne transportation vehicle

airplane · helicopter · hot air balloon · blimp · airship

Family

deep, sea, sub, deepen, deeply, deepness, deeper, deepest, depth

Familiarity
Top 500,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G