Shubhanshu Shukla, Group Captain in the Indian Air Force, became the first Indian to reach the International Space Station (ISS), marking a historic milestone for India’s space ambitions. His mission evokes memories of Kalpana Chawla, the first Indian-born woman in space, who tragically lost her life during the Columbia disaster in 2003. As India looks forward, the Colombia disaster remains as one of the most defining moment in space missions, an event that changed how space agencies assess risk and manage safety.&nbsp;<h2>The Tragedy of Columbia</h2>&nbsp;On 1 February 2003, NASA’s space shuttle Columbia broke apart during re-entry into Earth’s atmosphere, killing all seven crew members on board. The shuttle was launched on 16 January for mission STS-107, focused on scientific research. Just 82 seconds after liftoff, a piece of foam insulation detached from the shuttle's external fuel tank and struck the left wing at around 500 mph. Though this issue had been seen in earlier missions, it was not fully addressed, and taken not lightly.&nbsp;As Columbia re-entered the atmosphere, the damaged wing allowed superheated gases to penetrate the shuttle’s internal structure. This led to structural failure and disintegration at speeds above Mach 18 over Texas. Debris spread across multiple US states, as the incident was broadcasted live all across the world. Among the victims was Kalpana Chawla, remembered as a symbol of scientific ambition in India. She and her fellow astronauts had spent 16 days conducting more than 80 experiments in microgravity, ranging from fluid physics to life sciences.<h2>Investigating the Cause</h2>&nbsp;Following the incident, the Columbia Accident Investigation Board (CAIB) was formed, led by Admiral Harold W. Gehman Jr. The board concluded that the foam strike caused the wing breach, but went further to criticise NASA’s organisational culture. It also cited over-reliance on past success, underestimation of known risks, and a lack of open communication as major contributors to the disaster. A 2008 crew survival report showed that while the astronauts may have survived the initial breakup, they lost consciousness within seconds as cabin pressure failed.&nbsp;<h2>A Shift in Spaceflight Strategy</h2>The Columbia tragedy led to significant reform. NASA redesigned the external tank and added new inspection methods for damage in orbit. Shuttle flights resumed in 2005 but remained cautious. The incident also prompted broader change: NASA retired the Space Shuttle programme in 2011 and shifted focus to commercial partnerships with firms like SpaceX. Today, astronauts travel to the ISS aboard commercial spacecraft or Russian Soyuz capsules. The Columbia mission marked a turning point, one that redefined how safety, risk, and innovation are balanced in space exploration. &nbsp;

On 1 February 2003, NASA’s space shuttle Columbia broke apart during re-entry into Earth’s atmosphere, killing all seven crew members on board. 

Shubhanshu Shukla, Group Captain in the Indian Air Force, became the first Indian to reach the International Space Station (ISS), marking a historic milestone for India’s space ambitions. His mission evokes memories of Kalpana Chawla, the first Indian-born woman in space, who tragically lost her life during the Columbia disaster in 2003. As India looks forward, the Colombia disaster remains as one of the most defining moment in space missions, an event that changed how space agencies assess risk and manage safety. The Tragedy of Columbia On 1 February 2003, NASA’s space shuttle Columbia broke apart during re-entry into Earth’s atmosphere, killing all seven crew members on board. The shuttle was launched on 16 January for mission STS-107, focused on scientific research. Just 82 seconds after liftoff, a piece of foam insulation detached from the shuttle's external fuel tank and struck the left wing at around 500 mph. Though this issue had been seen in earlier missions, it was not fully addressed, and taken not lightly. As Columbia re-entered the atmosphere, the damaged wing allowed superheated gases to penetrate the shuttle’s internal structure. This led to structural failure and disintegration at speeds above Mach 18 over Texas. Debris spread across multiple US states, as the incident was broadcasted live all across the world. Among the victims was Kalpana Chawla, remembered as a symbol of scientific ambition in India. She and her fellow astronauts had spent 16 days conducting more than 80 experiments in microgravity, ranging from fluid physics to life sciences. Investigating the Cause Following the incident, the Columbia Accident Investigation Board (CAIB) was formed, led by Admiral Harold W. Gehman Jr. The board concluded that the foam strike caused the wing breach, but went further to criticise NASA’s organisational culture. It also cited over-reliance on past success, underestimation of known risks, and a lack of open communication as major contributors to the disaster. A 2008 crew survival report showed that while the astronauts may have survived the initial breakup, they lost consciousness within seconds as cabin pressure failed. A Shift in Spaceflight Strategy The Columbia tragedy led to significant reform. NASA redesigned the external tank and added new inspection methods for damage in orbit. Shuttle flights resumed in 2005 but remained cautious. The incident also prompted broader change: NASA retired the Space Shuttle programme in 2011 and shifted focus to commercial partnerships with firms like SpaceX. Today, astronauts travel to the ISS aboard commercial spacecraft or Russian Soyuz capsules. The Columbia mission marked a turning point, one that redefined how safety, risk, and innovation are balanced in space exploration.

On 1 February 2003, NASA’s space shuttle Columbia broke apart during re-entry into Earth’s atmosphere, killing all seven crew members on board.&nbsp;

What led to NASA’s Columbia disaster and how it changed space exploration?

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What led to NASA’s Columbia disaster and how it changed space exploration?