MBARI's Ventana frequently dives along the rock walls of Monterey Canyon.

MiniRover equipped with video and laser scanning system.

ODYSSEY deployed through ice.

DSRV manned sub

Deepstar 4000 manned sub

ODYSSEY is set to be deployed from ship.

J. Peress' 1-atm dive suit, Tritonia, explored the Lusitania wreck in 1935.

WASP works on an oil rig-- thrusters increase mobility.

TRIESTE II launched in 1965, next version of the record deep diving sub.

TRIESTE II ballasted and prepared to dive.

STAR 3 launched in 1966, built by Electric Boat.

Unidentified sub.

DEEP JEEP at the surface-- a Navy experimental sub built in 1964.

DSV ALVIN,perhaps the most active and successful research submersible.

DSV TURTLE, recently retired by the Navy, was a sister sub to ALVIN.

DEEPSTAR 2000 launched by Westinghouse in 1969.

NEKTON GAMMA on Project Seasub off Alaska.

NEKTON GAMMA slung to the side of the support ship.

DELTA loads up for diving to study geology in the Bahamas.

DELTA can make up to twelve dives to 300 meters in a 12 hr. day.

In 1974, BEAVER MARK IV studied underwater neutron activity off New York.

J. Peress' 1-atm dive suit, Tritonia, explored the Lusitania wreck in 1935.

PC-8 on the hook-- another successful sub built by Perry Oceanographics.

DEEP DIVER carried a pilot and 3 observers.

PC-8 hunts walrus in the Bering Sea.

PC-8 on deck of R/V Undersea Hunter-- bow hemisphere is made of glass.

JIM, a One-Atmosphere Armored Dive Suit (OMADS).

MAKALII was launched, retrieved, & transported from a submersible barge (LRT).

Divers secure MAKALII to the LRT barge before surfacing.

JOHNSON-SEA-LINK's six inch thick acryllic sphere holds pilot and observer.

JSL launched from the deck of the R/V Seward Johnson.

JSL subs are among the best equipped in the world for science.

PISCES V operated by NURP's Hawaii center dives to 2000 m.

PISCES V at the surface after overhaul.

PISCES V retrieved by mother ship Kaimikai-o-Kanaloa (KOK).

Sub arm deploys a seafloor chamber used to measure respiration.

SHINKAI 2000 operated by Japanese Marine Science, Technology & Education Center.

SHINKAI 6500 is rated to 6500 meters, deepest active sub in the world. .

MANTIS one person sub built by Deep Ocean Exploration.

WASP is a JIM suit with thrusters-- pilot is Graham Hawkes.

French CYANA operates to 3000 meters, less than half the average ocean depth.

Lockheed Corp.'s DEEP QUEST was instrumented more like a space ship than a sub.

MIR prepares to dive to over 6000 meters, second to SHINKAI 6500.

Two MIR subs took underwater footage appearing in the movie "Titanic."

MIR during recovery-- sphere is made of high strength steel made in Finland.

DSV TURTLE is taken aboard Navy support ship Laney Chouest.

PICSES V deployed from submerged launch-retrieval-transport (LRT) barge.

PISCES V transported aboard LRT off Hawaii.

Divers ready to release PISCES V from LRT.

CLELIA, a Perry Oceanographic-built sub, prepares to launch.