Why One U.S. Submarine Sank 7 Carriers in 6 Months — Japan Was Speechless
In early 1944, the Pacific Ocean became a hunting ground for one of history's most lethal submarines. USS Albacore, under the command of Lieutenant Commander Oscar E. Hagberg, embarked on a six-month killing spree that would leave Japanese admirals in disbelief and change the course of submarine warfare forever. Operating in the waters around Truk Lagoon and the Philippine Sea, this single American submarine achieved what seemed impossible: sinking or damaging seven Japanese aircraft carriers in just six months. From the light carrier Agano to the mighty supercarrier Taiho, Albacore stalked her prey with mathematical precision, striking with devastating efficiency and vanishing before counterattacks could respond. Armed with finally-reliable Mark 14 torpedoes and guided by Ultra intelligence that broke Japanese codes, Hagberg and his 60-man crew mastered the deadly art of carrier killing. Each attack followed the same pattern: patient stalking, perfect positioning, and ruthless execution. The statistical impact was staggering—150,000 tons of shipping, 500 aircraft capacity, and 10,000 personnel lost. This is the extraordinary true story of how one submarine, one commander, and one dedicated crew hunted Japan's most valuable warships to near-extinction, proving that even the mightiest carriers were vulnerable to a patient predator lurking beneath the waves.
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