Sponges and crab on a basalt talus slope. Hawaii 1988 June 195. Sub manipulator sampling basalt rocks on the flanks of Loihi volcano. Hawaii 1988 June 196. Trays containing rock slabs deployed on ferro-manganese crust at Cross Seamount.
Scuba divers change out a current meter used to monitor currents in the Bahamas.
Bahamas, Lee Stocking Island 198. Stereo photography allows diver scientists to measure the size of corals. The Perry Cubmarine wet sub carries two divers at speeds of up to 5 knots.