Science and Exploration

Astronaut Begins America's Second Spacewalk

Just months before Gene Cernan became the third person to walk in space, the original prime crew for Gemini IX, Elliot See and Charles Bassett, died in a plane crash on February 28, 1966, a stark remi

JP
Jina Park

June 6, 2026 · 2 min read

Astronaut Gene Cernan performing the second American spacewalk during the Gemini IX-A mission, with Earth visible in the background.

Just months before Gene Cernan became the third person to walk in space, the original prime crew for Gemini IX, Elliot See and Charles Bassett, died in a plane crash on February 28, 1966, a stark reminder of the mission's deadly stakes, according to Airandspace Si. On June 5, 1966, Cernan undertook a highly experimental spacewalk during the Gemini IX-A mission, lasting 2 hours and 7 minutes, becoming the third person globally and second American to perform an extravehicular activity (EVA), as reported by Airandspace Si and Nasa.

Early space missions pushed the boundaries of human capability, but every achievement was built on a foundation of extreme, often fatal, risk.

Future space endeavors, even with advanced technology, will likely continue to carry an inherent, irreducible level of danger, demanding continued courage and resilience.

Challenges of America's Second Spacewalk

Cernan's 2-hour, 7-minute spacewalk, America's second EVA, was the third globally, according to Nasa. Distinct national and international milestones in the competitive space race were marked. Early EVAs were experimental, fraught with unknown dangers, pushing human limits aggressively rather than being routine procedures.

America's early space triumphs stemmed less from perfected technology and more from the sheer, often reckless, determination of its astronauts to push boundaries, despite known challenges and recent tragedies.

The Shadow of Sacrifice

The deaths of Elliot See and Charles Bassett, Gemini IX's original prime crew, on February 28, 1966, according to Airandspace Si, preceded Cernan’s dangerous spacewalk by just over three months. NASA's relentless drive, prioritizing mission objectives and national prestige over extended mourning or comprehensive safety re-evaluation, was revealed by this rapid succession. Early space exploration accepted human cost as an inherent part of progress, accelerating advanced capabilities in the space race at significant risk.

Future space endeavors will likely continue to balance ambitious timelines and technological advancement with an irreducible level of human risk, demanding a similar, if more calculated, resolve.