Monday, May 30, 2011
"In 1960, Philip Bono, a Space Vehicle Design Specialist with the Boeing Airplane Company Aero-Space Division, envisioned a Mars spacecraft that outwardly resembled the U.S. Defense Department's X-20A DynaSoar single-seat orbital glider, which was under development at this time (image at top). Bono's Mars glider would, however, be large enough to support an eight-man crew. The flat-bellied Mars glider would measure 125 feet long and 95 feet across its delta wings. Bono, like many Mars exploration enthusiasts in the early 1960s, optimistically targeted his expedition for the favorable 1971 Earth-Mars transfer opportunity, when the energy required to reach Mars would be at a minimum."
At Beyond Apollo