Rahul Sharma

1958 Mars Bluff B 47 nuclear weapon loss incident

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Fatalities  0
Registration  53-1876A
Number of deaths  0
Crew count  3
Injuries (non-fatal)  6 civilians
Date  11 March 1958
Destination  RAF Bruntingthorpe
Flight origin  Hunter Army Airfield
1958 Mars Bluff B-47 nuclear weapon loss incident httpsuploadwikimediaorgwikipediacommonsthu
Summary  Inadvertent nuclear weapon release
Site  Mars Bluff, South Carolina
Aircraft type  Boeing B-47E-LM Stratojet
Location  Mars Bluff, South Carolina, United States
Operators  375th Bombardment Squadron, 308th Armament Systems Wing, United States Air Force

The 1958 Mars Bluff B-47 nuclear weapon loss incident was an inadvertent nuclear weapon release over Mars Bluff, South Carolina, during 1958. The bomb, which lacked the fissile nuclear core, fell over the area causing minor structural damage to buildings below. Six people were injured by the explosion of the bomb's conventional explosive load. The United States Air Force (USAF) was sued by the family of the victims, who received US$54,000, equivalent to $448,256 in 2016.

Description of incident

On March 11, 1958, a U.S. Air Force Boeing B-47E-LM Stratojet from Hunter Air Force Base operated by the 375th Bombardment Squadron of the 308th Bombardment Wing near Savannah, Georgia, took off at approximately 4:34 PM and was scheduled to fly to the United Kingdom and then to North Africa as part of Operation Snow Flurry. The aircraft was carrying nuclear weapons on board in the event of war with the Soviet Union breaking out. Air Force Captain Bruce Kulka, who was the navigator and bombardier, was summoned to the bomb bay area after the captain of the aircraft, Captain Earl Koehler, had encountered a fault light in the cockpit indicating that the bomb harness locking pin did not engage. As Kulka reached around the bomb to pull himself up, he mistakenly grabbed the emergency release pin. The Mark 6 nuclear bomb dropped to the floor of the B-47 and the weight forced the bomb bay doors open, sending the bomb 15,000 ft (4,600 m) down to the ground below.

Two sisters, six-year-old Helen and nine-year-old Frances Gregg, along with their nine-year-old cousin Ella Davies, were playing 200 yards (180 m) from a playhouse in the woods that had been built for them by their father Walter Gregg, who had served as a paratrooper during World War II. The playhouse was struck by the bomb. Its conventional high explosives detonated, destroying the playhouse, and leaving a crater about 70 feet (21 m) wide and 35 feet (11 m) deep. Fortunately, the fissile nuclear core was stored elsewhere on the aircraft. All three girls were injured by the explosion, as were Walter, his wife Effie and son Walter, Jr. Seven nearby buildings were damaged. The United States Air Force (USAF) was sued by the family of the victims, who received US$54,000, equivalent to $448,256 in 2016. The incident made national and international headlines. The crater is still present today, although overgrown by vegetation, and is marked by a historical marker; however, access to the site is limited because it is located on private property with no public access road.

References

1958 Mars Bluff B-47 nuclear weapon loss incident Wikipedia


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