Navy-Owned Deep-Diving Alvin Being Certified for Operations to 6,500 Meters - Seapower
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Alvin': The sub that found a lost H-bomb | CNN Business
Alvin': The sub that found a lost H-bomb | CNN Business
Alvin Lindley - Farm Bureau Insurance of Arkansas, Inc.
Alvin | submersible | Britannica
Human Occupied Vehicle (HOV) Alvin | Smithsonian Ocean
The Oldest Crewed Deep Sea Submarine Just Got a Big Makeover | WIRED