Repair and Salvage: The First 50 Years of Spacewalking (Part 4)

During his historic untethered EVA with the Manned Maneuvering Unit (MMU) on 7 February 1984, Bruce McCandless ventured as far as 300 feet (90 meters) from Challenger. Photo Credit: NASA

Ironically, the spacecraft from which the most Extravehicular Activities (EVAs) were performed—the space shuttle—was not originally intended to carry the capability for spacewalking at […]

“It’ll Be A Miracle”: The Rescue of Palapa and Westar (Part 1)

Joe Allen (right, with red stripes on the legs of his suit) and Dale Gardner celebrate their success with a ‘For Sale’ sign, displayed high above Westar and Earth. The triumphant Mission 51A would cement the Shuttle’s credentials as infallible…but it was an infallibility which would usher in a mistaken sense of complacency. The […]