1965_Philippine_Sea_A-4_crash

1965 Philippine Sea A-4 incident

1965 Philippine Sea A-4 incident

Nuclear weapon loss incident

The 1965 Philippine Sea A-4 crash was a Broken Arrow incident in which a United States Navy Douglas A-4E Skyhawk attack aircraft carrying a nuclear weapon fell into the sea off Japan from the aircraft carrier USS Ticonderoga.[3][4] The aircraft, pilot and weapon were never recovered.[5]

Quick Facts Incident, Date ...

The accident

On 5 December 1965, 31 days after Ticonderoga's departure from U.S. Naval Base Subic Bay in the Philippines,[3] the attack jet was pushed backwards over the side, off the number 2 elevator during a training exercise while being rolled from the number 2 hangar bay to the elevator.[2] The pilot, Lieutenant (junior grade) Douglas M. Webster; the aircraft, Douglas A-4E BuNo 151022 of VA-56; and the B43 nuclear bomb were never recovered[6] from the 16,000 ft (4,900 m) depth.[citation needed] The accident was said to occur 68 miles (59 nmi; 109 km) from Kikai Island, Kagoshima Prefecture, Japan.[7]

Ticonderoga had aboard Carrier Air Wing Five during this cruise, with two squadrons of Skyhawks. The lost aircraft was part of Attack Squadron 56 (VA-56); VA-144 was the other.[8]

Number of weapons

Though most sources state that a single weapon was involved, a document from Los Alamos National Lab indicates that two weapons were involved.[9]

Revelation

It was not until 1989 that the United States Department of Defense revealed the proximity of the lost one-megaton H-bomb to Japanese territory.[10] The revelation inspired a diplomatic inquiry from Japan requesting details.[11]

See also

References

  1. [1]
    Oskins, James C; Maggelet, Michael H. (2007). Broken Arrow: The Declassified History of U.S. Nuclear Weapons Accidents. Raleigh, North Carolina: Lulu Publishing. p. 217. ISBN 978-1-4357-0361-2.[unreliable source?]
  2. [2]
    "LTJG Douglas M. Webster". A4skyhawk.org. 1965-12-05. Archived from the original on 2010-12-06. Retrieved 2022-07-22.
  3. [3]
    "Ticonderoga Cruise Reports". Archived from the original (Navy.mil weblist of Aug 2003 compilation from cruise reports) on 2004-09-07. Retrieved 2012-04-20. The National Archives hold[s] deck logs for aircraft carriers for the Vietnam Conflict.
  4. [4]
    "The Bizarre Mystery of the Only Armed Nuke America Ever Lost". www.vice.com. Archived from the original on 2022-09-15. Retrieved 2022-09-15.
  5. [5]
    Richard Halloran (May 26, 1981). "U.S. discloses accidents involving nuclear weapons". The New York Times. Archived from the original on August 30, 2019. Retrieved February 15, 2023.
  6. [6]
    "Broken Arrows: Nuclear Weapons Accidents". Almanac. atomicarchive.com. Archived from the original on April 23, 2022. Retrieved July 22, 2022.
  7. [7]
    Maruyama Kuniaki 丸山邦明 (2005). "Gunji kichi mondai to Amami" 軍事基地問題と奄美. In Kagoshima-ken chihō jichi kenkyūsho 鹿児島県地方自治研究所 (ed.). Amami sengo-shi 奄美戦後史 (in Japanese). p. 254.
  8. [8]
    "CV-14". Archived from the original on 2021-02-23. Retrieved 2012-06-14.
  9. [9]
    Peterson, Paul David; Clarke, Steven Anderson (2022-10-11). An Introduction to Los Alamos National Laboratory (Report). Los Alamos National Lab. (LANL), Los Alamos, NM (United States). p. 24. OSTI 1891826. Archived from the original on 2022-10-25. Retrieved 2022-10-25.
  10. [10]
    "U.S. Confirms '65 Loss of H-Bomb Near Japanese Islands". Politics. The Washington Post. Washington, D.C. May 9, 1989. Archived from the original on March 28, 2021. Retrieved July 22, 2022.
  11. [11]
    "Japan Asks Details On Lost H-Bomb". The Washington Post. Washington, D.C. 10 May 1989. p. A-35.
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