Skylab 4 was the third and final crewed mission to America’s first space station, and it would set a record that no American would break for over two decades. On November 16, 1973, Commander Gerald Carr, Science Pilot Edward Gibson, and Pilot William Pogue launched atop the last Saturn IB rocket ever flown from Kennedy Space Center’s Launch Complex 39B. All three were spaceflight rookies — the largest all-rookie crew NASA had ever launched — and they were about to spend 84 days in orbit, shattering the previous US duration record set by the Skylab 3 crew just months earlier.

The mission was not without turbulence. Early on, the crew struggled with an overpacked schedule that left little time for rest or personal activities. Ground controllers had planned the timeline based on the experienced Skylab 3 crew’s pace, not accounting for the rookies’ learning curve. Frustration built on both sides until the crew and Mission Control held a frank discussion about workload. The result was a revised, more humane schedule — and a dramatic improvement in productivity. This episode, sometimes called the “Skylab strike,” was later clarified by NASA historians: there was no actual mutiny or work stoppage, but rather a constructive renegotiation of expectations that became a landmark case study in crew autonomy and space psychology.

The scientific output of Skylab 4 was extraordinary. The crew logged 1,563 hours of experiment time across solar physics, Earth observations, medical studies, and materials science. They observed and photographed Comet Kohoutek during its close approach to the Sun, providing invaluable data. Gibson, a solar physicist, made groundbreaking observations of solar flares and coronal activity using the Apollo Telescope Mount. The crew conducted four EVAs totaling over 22 hours, performing maintenance and retrieving film canisters from the station’s exterior.

On February 8, 1974, the three astronauts climbed back into their Apollo Command Module, undocked from Skylab, and took the iconic final photographs of the station as they pulled away — images that would be the last close-up views of Skylab until its fiery re-entry in 1979. They splashed down in the Pacific Ocean and were recovered by the USS New Orleans. Their 84-day flight remained the US spaceflight duration record until Norm Thagard spent 115 days aboard the Russian Mir station in 1995. Skylab 4 proved that humans could live and work productively in space for extended periods — a lesson that would prove essential for the Space Shuttle and International Space Station eras to come.