The wallet contained his Navy ID card, driver license, a pocket reference card on what to do during atomic, biological and chemical attack, a beer ration punch card, a tax withholding statement and receipts for money orders sent to his wife. Grisham, who was raised in Douglas, Arizona, enlisted in the Navy in 1948. He became a weather technician and then a weather forecaster. He was assigned to Antarctica as part of “Operation Deep Freeze,” which supported civilian scientists, and shipped out to the frozen continent in October 1967. At the time, he was in his 30s and married with two toddlers.