"40th Anniversary: Iconic Photos and Untethered Spacewalks of NASA's Space Shuttle Era"

Iconic photos from NASA's space shuttle era, including astronaut Bruce McCandless II floating freely in space with the Manned Maneuvering Unit (MMU), turn 40 years old. McCandless's anonymity in the photos has allowed people to imagine themselves in his place, inspiring generations to believe in limitless human potential. These images, captured by fellow astronaut Hoot Gibson, have become some of the most iconic in NASA's history, showcasing the incredible achievements and potential of human space exploration.