[{"n": "Michael Alsbury", "u": "/e/space-program-fatalities/michael-alsbury/", "s": "Project engineer and co-pilot who died in SpaceShipTwo breakup."}, {"n": "Charles Bassett", "u": "/e/space-program-fatalities/charles-bassett/", "s": "NASA astronaut who died before his first spaceflight."}, {"n": "Valentin Bondarenko", "u": "/e/space-program-fatalities/valentin-bondarenko/", "s": "Soviet cosmonaut trainee who died in a 1961 training fire."}, {"n": "Space Shuttle Challenger disaster", "u": "/e/space-program-fatalities/space-shuttle-challenger-disaster/", "s": "Space Shuttle Challenger broke apart 73 seconds after launch, killing all seven crew."}, {"n": "Space Shuttle Columbia disaster", "u": "/e/space-program-fatalities/space-shuttle-columbia-disaster/", "s": "Space Shuttle Columbia broke apart during re-entry, killing all seven crew."}, {"n": "Theodore Freeman", "u": "/e/space-program-fatalities/theodore-freeman/", "s": "First NASA astronaut killed in a training accident."}, {"n": "Gordo (monkey)", "u": "/e/space-program-fatalities/gordo-monkey/", "s": "Early U.S. monkey in space; data contributed to space research."}, {"n": "Vladimir Komarov", "u": "/e/space-program-fatalities/vladimir-komarov/", "s": "One of the first humans to die in a space flight incident."}, {"n": "Robert Henry Lawrence Jr.", "u": "/e/space-program-fatalities/robert-henry-lawrence-jr/", "s": "First African-American selected as an astronaut by the U.S. Air Force."}, {"n": "1966 NASA T-38 crash", "u": "/e/space-program-fatalities/1966-nasa-t-38-crash/", "s": "Two Gemini astronauts died in a 1966 T-38 crash."}, {"n": "Nedelin catastrophe", "u": "/e/space-program-fatalities/nedelin-catastrophe/", "s": "Deadliest rocket launch accident, suppressed by Soviet authorities for decades."}, {"n": "Elliot See", "u": "/e/space-program-fatalities/elliot-see/", "s": "NASA astronaut killed before his first space flight."}, {"n": "Soyuz 1", "u": "/e/space-program-fatalities/soyuz-1/", "s": "First crewed Soyuz flight ended in fatal parachute failure."}, {"n": "Soyuz 7K-OK No.1", "u": "/e/space-program-fatalities/soyuz-7k-ok-no-1/", "s": "Aborted launch led to fire, explosion, and fatalities."}, {"n": "Soyuz 11", "u": "/e/space-program-fatalities/soyuz-11/", "s": "Only crewed mission to board Salyut 1; all three died in space."}, {"n": "Space Mirror Memorial", "u": "/e/space-program-fatalities/space-mirror-memorial/", "s": "National memorial honoring U.S. astronauts who died in the line of duty."}, {"n": "SpaceShipTwo", "u": "/e/space-program-fatalities/spaceshiptwo/", "s": "Retired suborbital spaceplane for tourism and scientific payloads."}, {"n": "STS-51-L", "u": "/e/space-program-fatalities/sts-51-l/", "s": "25th Shuttle mission; destroyed 73 seconds after launch."}, {"n": "STS-107", "u": "/e/space-program-fatalities/sts-107/", "s": "Final flight of Space Shuttle Columbia, ending in disaster during re-entry."}, {"n": "VLS-1 V03", "u": "/e/space-program-fatalities/vls-1-v03/", "s": "Third VLS-1 launch attempt ended in deadly pad explosion; ranked among the worst space-related accidents but n"}, {"n": "VSS Enterprise", "u": "/e/space-program-fatalities/vss-enterprise/", "s": "First SpaceShipTwo spaceplane, destroyed in a 2014 test flight accident."}, {"n": "VSS Enterprise crash", "u": "/e/space-program-fatalities/vss-enterprise-crash/", "s": "First SpaceShipTwo test vehicle destroyed in 2014 crash."}, {"n": "Clifton Williams", "u": "/e/space-program-fatalities/clifton-williams/", "s": "NASA astronaut who died before flying in space."}]