Col. Thatcher Cardon, the 47th Medical Group commander, won the National Aeronautics and Space Administration’s Space Poop Challenge, beating more than 5,000 entries and winning $15,000. Cardon’s invention, the “perineal access port,” allows astronauts to manage human waste in a space suit for up to six continuous days. (U.S. Air Force photo/Airman 1st Class Benjamin N. Valmoja)
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