The seven men pressed on. They were tired of the designation of “capsule” for the Mercury vehicle. The term as much as declared that the man inside was not a pilot but an experimental animal in a pod. Gradually, everybody began trying to work the term “spacecraft” into NASA publications and syllabuses. Next the men raised the question of a cockpit window for the spacecraft. As it was now designed, the Mercury capsule had no window, just a small porthole on either side of the astronaut’s head. His main way of seeing the outside world would be through a periscope.
