Uss Harder : A Wwii Submarine's Remarkable Battle Record

USS Harder (SS-257): A WWII Submarine's Remarkable Battle Record

US Submarine Sinks 4 Japanese Destroyers - The Remarkable USS Harder

Record-Breaking Submarine USS Harder Found!

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Discovery of WWII U.S. Navy Submarine USS harder, lost in battle, found Intact in South China Sea

America's Sneakiest Sea Weapon That Totally Fooled the Enemy - Hit ‘Em Harder

USS Harder

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Submarine sunk during World War II discovered

USS Harder - SS-257 (Submarine)

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Wreck of WWII submarine USS Harder discovered in South China Sea

An Extremely Risky WWII Submarine Rescue Mission

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USS Harder 'Hit 'Em Again, Harder'

Veteran ocean explorer discovers WWII submarine in South China Sea

Medal of Honor: CMDR Dealey

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Hell Below - Episode 5: Destroyer Killer | Free Documentary History

Free Documentary - History

Wreck of World War II U.S. Navy submarine found in South China sea

USS Harder 'Harder at Woleai'

Veteran ocean explorer discovers WWII submarine in South China Sea

Wreckage of USS Harder Found After 80 Years | WWII Submarine Discovery | Latest Updates