Event Brief
US Navy tests found WWII torpedoes often failed
By The BriefBrief · Sources (1)
Filed: Sep 24, 2026 at 11:00 AM ET
Summary: Investigations cited in the article say US Navy Rear Adm. Charles Lockwood’s net tests identified a depth error in a Mark 14 torpedo after USS Skipjack observed it passing under a Japanese ship in May 1942. The Pacific force then turned off the magnetic exploder on June 24, 1943.
WHO: US Navy Rear Adm. Charles Lockwood
WHAT: Net tests proved a depth error in Mark 14 torpedoes and the Pacific force turned off the magnetic exploder.
WHEN: Jun 24, 1943
WHERE: Pacific Ocean
WHY: The tests showed the torpedo’s depth was incorrect, and the magnetic exploder was disabled afterward.
How this brief is built: The BriefBrief uses multi-source information fusion to correlate reporting across sources, identify related developments, and continuously update a structured WHO, WHAT, WHEN, WHERE and WHY event picture. Pattern arcs, source analysis, and velocity indicators provide deeper analysis in our MI Console.
USS Bonhomme Richard fire damage estimated at $3.2B
Uss Bonhomme Richard
Sep 24, 2026 at 11:00 AM ET
USS Parche submarine earns 13 medals and 2 citations
Uss Parche
Sep 24, 2026 at 11:00 AM ET
Judge orders White House to restore barred media access
Cnn
Sep 24, 2026 at 11:00 AM ET
US long-term borrowing costs hit highest since 2004
Public Finances
Sep 24, 2026 at 11:00 AM ET
