One of the Mercury astronauts in the MASTIF (Multiple Axis Space...

One of the Mercury astronauts in the MASTIF (Multiple Axis Space Test Inertia Facility), a three-axis gimbal rig for simulating tumbling motions that might be encountered in space, Lewis Research Center, Cleveland, Ohio, 1960 [775x898] via /r/spaceporn http://bit.ly/2E0pWab

via Tumblr http://bit.ly/2UU04Ct