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Active
Conducted By: James Alden
Discoveries: First known deep sea canyon
New technology: N/A -
Corwin
Conducted By: Louis F. de Pourtales
Discoveries: Ocean life below 300 fathoms
New technology: N/A -
HMS Challenger
Conducted By: British
Discoveries: 4'000+ new species, Current patterns, Ocean temps and salinities
New technology: Trolling nets (nets dragged behind boats to collects plants and animals), temperature probes (to collect data), gas measuring tools -
USS Tuscarora
Conducted By: Commander George Belknap
Discoveries: Juan de Fuca Ridge, seamounts, the Aleutian Trench and Japan Trench
New technology: Thomson sounding machine on a telegraph cable (to determin the depth of water) -
Blake
Conducted By: Charles D. Sigsbee
Discoveries: N/A
New technology: Sigsbee Sounding Machine (to more accurately measure water depth) -
USS Stewart
Conducted By: Dr. Harvey Hayes
Discoveries: N/A
New technology: Runs a line of soundings across the Atlantic Ocean (to measure depth) -
Bathysphere
Conducted By: William Beebe
Discoveries: Many types of deep sea life
New technology: Submersables (allows for underwater exploration) -
Aqualung
Conducted By: Jacques-Yves Costeau and Emile Gagnan
Discoveries: Shallow water plants and animals
New technology: Fully automatic compressed air Aqualung (allows humans to spend time under water) -
HMS Lightning
Conducted By: Wyville Thomson
Discoveries: Life in the deep seas
New technology: N/A -
Alvin
Conducted By: United States Navy
Discoveries: Deep-sea hydrothermal vents
New technology: N/A