Apollo 17 s Moonship . ... Credit Copyright: Apollo 17 , NASA (Image scanned by Kipp Teague) Explanation: Awkward and angular looking, Apollo 17's lunar module Challenger was designed for flight in the vacuum of space. ... Editor's note: Eric Jones, Apollo Lunar Surface Journal editor, comments; "If you look at the [... large, dark] triangular window, you'll see a bright rectangular area - which is the rendezvous window - beneath it, a bright arc. ... NASA Official: Jay Norris. ...