On March 18, 1965, Soviet cosmonaut Alexei Leonov became the first human to perform a spacewalk, exiting his spacecraft and floating freely in the vacuum of space. The mission, conducted aboard the Voskhod 2 spacecraft, marked a major milestone in the Space Race and expanded humanity’s ability to operate outside Earth-bound environments.
Leonov remained outside the spacecraft for approximately 12 minutes, connected only by a tether as he orbited the Earth. The moment represented a technological and human breakthrough, demonstrating that astronauts could survive and function beyond the safety of a spacecraft.
However, the mission quickly turned dangerous. Leonov’s spacesuit expanded in the vacuum of space, becoming rigid and making it difficult for him to re-enter the airlock. Facing a life-threatening situation, he was forced to manually release pressure from the suit, risking decompression sickness in order to squeeze back inside the spacecraft.
The challenges did not end there. After re-entry, the Voskhod 2 crew landed far off course in a remote forest region, requiring a difficult recovery operation in freezing conditions. Despite these obstacles, the mission was ultimately considered a success and a major achievement for the Soviet space program.
This historic spacewalk demonstrated both the possibilities and risks of human activity in space. It paved the way for future missions involving extravehicular activity, including space station construction and maintenance, and remains one of the defining moments of early space exploration.
About the Author Brad Socha is the founder of The Universal Record, focused on sourced, factual global reporting. Coverage includes international news, geopolitics, technology, and major developments.
