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Kenneth Hubbard

1920 – 2004

RAF officer

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About Kenneth Hubbard

Lived 1920 – 2004 (aged 83). Kenneth Hubbard was a military personnel.

Group Captain Kenneth Gilbert Hubbard (26 February 1920 – 21 January 2004) was the pilot of an RAF Vickers Valiant bomber which dropped Britain's first live thermonuclear weapon (H-Bomb) in Operation Grapple in the Central Pacific Ocean in May 1957.

Early life Kenneth Gilbert Hubbard was born in Norwich in Norfolk on 26 February 1920, the son of Gilbert Claud Hubbard, a mechanical engineer and professional association football player who played for Norwich City, and his wife Florence Dack. He was educated at Norwich Technical College from 1932 to 1935, where he trained as a draughtsman. He then worked as a draughtsman for Stevensons of Norwich.

Military service Second World War After the outbreak of the Second World War, Hubbard joined the Royal Air Force (RAF) on 21 June 1940. He earned his wings at No. 2 Flying Training School RAF at RAF Brize Norton, and was commissioned as a pilot officer in May 1941. He was posted to No. 2 Central Flying Training School at RAF Cranwell in June 1941, and then to No. 12 Flying Training School RAF at RAF Grantham in July 1942 as an instructor. In December 1942 he was posted to No. 311 Ferry Training Unit RAF at RAF Moreton-in-Marsh, where he did a conversion course on the Vickers Wellington medium bomber. He flew one out to Foggia Airfield Complex in Italy in January 1944, and joined No. 70 Squadron RAF, which operated the Wellington. His citation noted that he had "taken part in many attacks in close support of the Fifth and Eighth armies and against marshalling yards in the Po valley. One night in May 1944 he participated in a special low-level attack on an important railway bridge in north Italy." His wife divorced him on 28 July 1953. In September he reported to RAF Swinderby for a refresher course on the Wellington and Vickers Varsity at No. 201 Advanced Flying School RAF, and then one at No. 242 Operational Conversion Unit RAF at RAF Dishforth on the Handley Page Hastings and Vickers Valetta. Hubbard missed the target by just . He became the first British pilot to drop a live hydrogen bomb. His aircraft, Vickers Valiant XD818, is now on display in the Royal Air Force Museum Midlands at RAF Cosford.

Service 1957 to 1966 After the Grapple tests Hubbard served at HQ RAF Bomber Command from 1959 to 1961. He was promoted to group captain, and commanded RAF El Adem in Libya. In 1963, he assumed command of RAF Scampton, the base of the Avro Vulcan bombers of Nos 27, 83 and 617 Squadrons RAF equipped with the Blue Steel standoff missile. His final appointment was Group Captain Training at HQ RAF Transport Command. He retired from the RAF in 1966.

Later life After leaving the RAF in 1966, Hubbard tried his hand at farming in the West Country. The venture was unsuccessful, but he did meet Margaret Grubb, whom he married at the register office in Blyth, Suffolk, on 14 March 1975, and he moved to Margaret's home at Blythburgh in Suffolk.

Members of 49 Squadron serving during the Grapple nuclear test series formed a Megaton Club and with Hubbard as its president, and they met annually at the Royal Air Force Club at 128 Piccadilly in London.

In 1974, Hubbard became Director of Sales and Marketing of the Vehicle Air Conditioning Division of his cousin Geoffrey Hubbard's Hubbard–Reader Group of refrigeration engineering companies. He retired from this position in 1982.

Hubbard chaired the local review committee for parole at HM Prison Blundeston, and was involved with the local Air Training Corps and the RAF Benevolent Fund. His wife Margaret died in 1997. He had no children from either of his marriages. With Michael Simmons, a director at Hubbard engineering, Hubbard wrote a book about his experience as the commander of No. 49 Squadron in Operation Grapple. The book was published by Ian Allan in 1985 under the title of Operation Grapple. A new edition with a different title of Dropping Britain's First H-Bomb was published by Pen and Sword in 2008. Hubbard died in Blythburgh on 22 January 2004.

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Important facts

Birth century
Occupation
Awards
Officer of the Order of the British Empire; Distinguished Flying Cross; Air Force Cross; Air Force Cross (United Kingdom); Distinguished Flying Cross (United Kingdom)

People in Kenneth Hubbard's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Kenneth Hubbard's

Frequently asked questions

Who was Kenneth Hubbard?

RAF officer (1920-2004)

When was Kenneth Hubbard born?

Kenneth Hubbard was born on 26 February 1920 in Norwich.

When did Kenneth Hubbard die?

Kenneth Hubbard died on 21 January 2004 in Blythburgh.

What was Kenneth Hubbard's occupation?

Kenneth Hubbard was a military personnel.

Sources & further reading

· Wikipedia: Kenneth Hubbard

· Wikidata: Q6390221

· DBpedia: Kenneth Hubbard

Cite this page

APA: Biography.guide. (2026). Kenneth Hubbard. https://biography.guide/kenneth-hubbard/

MLA: "Kenneth Hubbard." Biography.guide, https://biography.guide/kenneth-hubbard/.

Chicago: "Kenneth Hubbard." Biography.guide. https://biography.guide/kenneth-hubbard/.

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