1.   The latest boats are adorned with so many Jet Skis, helicopters and submersible vehicles that they are called the sport utility vehicles of yachts.

2.   A fleet of submersible vehicles, tethered robots and automatic cameras has gathered data ever since the eruption transformed the landscape nearly a mile down.

3.   Mary Beth gets trapped in a submersible vehicle and looks ready to drown until Terry cuts her free.

4.   Submersible vehicles and other tools of sea exploration can be operated.

5.   The American officials said that the submarines were not carrying the kind of rescue equipment, like a submersible vehicle, that could have helped.

6.   The Navy later announced that it would send submersible vehicles to survey the wreckage.

7.   All four were recovered by a remotely operated submersible vehicle and brought to the surface by divers.