‘Send Up a Tanker’: 50 Years Since the High-Flight of Gemini XI (Part 2)

Tethering Gemini XI to Agena-XI was part of an experiment to evaluate the controllability of two vehicles in close proximity without control inputs. Photo Credit: NASA

Half a century ago, this coming week, on 12 September 1966, Gemini XI astronauts Charles “Pete” Conrad and Dick Gordon launched from Earth within a two-second-long “window” and [...]