>>213638195
>>213638212
>United States (NASA/Contractors):
Vanguard TV-3 (1957): Exploded seconds after launch
Mariner 8 (1971): Failed to reach Earth orbit due to a launch vehicle malfunction.
Surveyor 2 (1966) & Surveyor 4 (1967): Crash-landed or lost during lunar descent.
Mars Climate Orbiter (1999): Destroyed due to unit conversion error (metric vs. imperial).
Mars Polar Lander (1999): Crashed due to premature engine shutdown from software error.
Genesis (2004): Sample return capsule’s parachutes failed due to accelerometer error, crashing on return.
Lunar Trailblazer (2025): NASA ended the mission after losing contact post-launch failure.
>Soviet / Russian Space Agency:
Soyuz 1 (1967): Crashed on re-entry due to control issues
Soyuz 11 (1971): Depressurized during re-entry, killing all crew.
Phobos-Grunt (2011): Failed to leave Earth orbit; eventually re-entered and burned up.
Kosmos 482 (1972): Venus probe that failed to escape Earth orbit.
Zond 6 (1968): Lunar flyby mission lost re-entry parachute deployment and suffered cabin decompression.
>China:
Longjiang-1 (2018): Lunar microsatellite that failed to escape Earth orbit.
iSpace Hyperbola-1 (2021 launch failure): Rocket failure prevented payload deployment.
>India (ISRO):
PSLV-D1 (1993): First PSLV launch failed due to guidance system software error; satellite lost.
ASLV second launch (SROSS-2) (1988): Also failed—launch vehicle issues.
GSLV-F02 (2006): Veered off trajectory and was destructed mid-flight.
INSAT-1A (1982): Abandoned after multiple deployment and stabilization failures.
GSAT-4 (2010): Launch failure—cryogenic upper stage failed to ignite.
Chandrayaan-2 (Vikram lander) (2019): Crashed during lunar landing phase.
EOS-09 (PSLV-C61) (2025): Recent launch failure due to third stage chamber pressure drop.