Valentin Bondarenko perished on 23 March 1961, following a fire during a low-pressure endurance experiment in Moscow. As a member of the initial Soviet cosmonaut corps, his death remained a state secret for nearly two decades while the government purged his image from official photographs to maintain the appearance of an flawless space program.
Military Career and Cosmonaut Selection
Born in Kharkiv in 1937, Bondarenko demonstrated an early aptitude for aviation. He attended the Krasnodar Higher Military Aviation School of Pilots named after Hero of the Soviet Union A.K. Serov, graduating in 1957. Commissioned as a second lieutenant, he served in the Baltic Military District and earned a promotion to senior lieutenant by December 1959. In April 1960, he was selected as one of the original 20 Soviet cosmonauts, noted for his mild temperament and singing ability.
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During a 15-day isolation experiment, Bondarenko occupied a high-oxygen altitude chamber. On the tenth day, after removing biosensors, he cleaned his skin with an alcohol-soaked cotton swab. He dropped the swab onto an electric hot plate used for brewing tea. The resulting fire ignited his woolen coveralls. Because of the pressurized seal of the chamber, medical personnel required nearly 30 minutes to gain access, during which time Bondarenko suffered extensive third-degree burns and loss of sight.
State Concealment and Recognition
Bondarenko died from shock at Botkin Hospital 16 hours later. Although awarded the Order of the Red Star and the Jubilee Medal 40 Years of the Armed Forces of the USSR, the Soviet authorities suppressed news of the event. His existence was erased from group records until 1980, when details eventually emerged in the West. He is buried at the Tenth City Cemetery in Kharkiv.
Fast facts
- Born: 1937, Kharkiv
- Died: 1961, Moscow
- Military Rank: Senior Lieutenant
- Citizenship: Soviet Union
- Education: Krasnodar Higher Military Aviation School of Pilots
- Awards: Order of the Red Star
Questions readers ask
Why was the death concealed?
The Soviet government sought to maintain the image of a perfect space program, leading to the removal of Bondarenko from official photos and the suppression of the accident's details for 19 years.
What caused the fatal fire?
An alcohol-soaked cotton swab ignited on a hot plate, spreading rapidly through Bondarenko's clothing in the chamber's oxygen-rich environment.
Achievements
- Educated at Krasnodar Higher Military Aviation School of Pilots named after Hero of the Soviet Union A.K. Serov
- Worked as astronaut and fighter pilot
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