A submersible vessel usually has more dexterous mobility - generally provided by use of propeller or pump-jets - than a typical submarine.

When the idea of building a small submersible vessel for oceanographic research was raised in the 1950's, it met with little enthusiasm from researchers.

New submersible vessels are enabling scientists to view undersea volcanos firsthand.

As the V-2 was too large to be mounted on any U-boat then in service, a 500-ton submersible vessel for transport and launching was designed.

For submersible vessels this is the most important advantage.

We believe he had a large submersible vessel in the vicinity.

Bathyscaphe: a self-propelled submersible vessel able to adjust its own buoyancy for exploring extreme depths.

Vale stared grimly at the imposing submersible vessel.

In the fall of 1970 a visual inspection was undertaken of the wreck by a submersible vessel.

But double hulls were commonplace for submersible vessels.