He pulled the lever 50 times. Each response within 5 seconds. The capsule overshot by 132 miles. In the silence before splashdown, the telemetry recorded a pattern no one asked for. Assemble the four coordinates.
"Subject #65 completed all 17 lever sequences in microgravity.
Response time: faster than ground training. When they opened the
capsule after splashdown, he was calm. He reached for an apple.
But the onboard recorder had captured something during the
6.6 minutes of weightlessness -- a rhythmic tapping on the
instrument panel. It wasn't part of the protocol."
-- Fragment M-002 // Mercury Project, Holloman AFB Archives