Science Art: Block diagram illustrating the simulator setup and primary tracking task, 1960.

Scientific illustration of astronaut training equipment: a simulator in three axes.
Scientific illustration of astronaut training equipment: a simulator in three axes.

Scientific illustration of astronaut training equipment: a simulator in three axes. Click to embiggen

Astronauts gotta learn how to astronaut.

This is from a NASA document from 1960 called Technical Note D-546: Experience with a Three-Axis Side-Located Controller During a Static and Centrifuge Simulation of the Piloted Launch of a Manned Multistage Vehicle. How a guy learns to keep the rocket pointed up, in other words.