Sally Ride's personally owned physiological training card, certifying that she met the requirements for NASA's Physiological Training Program. Expiration date is noted as 31 October 1984 and therefore valid for Ride's second spaceflight on STS-41-G Space Shuttle Challenger. Card measures 3.5'' x 2.25''. Very good condition. With an LOA from CMG Worldwide who represents the Sally Ride estate.