Darrell Miklos, who is documenting the experience as part of a new Discovery Channel series, told ABC News that he obtained the treasure map from his longtime friend Col. Gordon Cooper, one of NASA's 7 original astronauts, piloted last and longest of the Mercury missions. Cooper logged 222 hours in space, according to NASA, becoming the first American to sleep in space
"Cooper's Treasure" premieres Tuesday, April 18, 2017, on the Discovery Channel.