in a safety deposit box. They're probably all over the world by now." In his memoir, Worden expressed remorse at what had happened, writing: “Even if I didn’t break any formal rules, in hindsight I had broken an unspoken trust.” In a 2013 interview with Scott, Slate found that "he's vexed by lingering inaccuracies in the Wikipedia entry about the incidents. We ask: Why didn't he get a friend to log in and correct the entries? He responds with a startled pause. 'Is that right? I didn't know you could do that!' " Summary of covers See also Apollo insurance covers – unflown covers created by Apollo astronauts for sale by their families if they died while on the mission. Robbins medallions – space-flown medallions from the Gemini and Apollo flights. U.S. space exploration history on U.S. stamps § Space Achievement Decade Issue of 1971 (Apollo 15 mission commemorated) "The Man Who Sold the Moon" – Robert Heinlein's 1950 story about a privately funded lunar mission paid for, in part, by covers to be taken to the Moon. Notes References Additional numbers following page numbers for some books are Kindle locations. Sources External links NASA News Release 72-189, "Articles Carried on Manned Space Flights" from collectspace.com 1972 controversies Apollo 15 Space exploration on stamps Scandals in the United States 1971 in the United States 1972 in the United States History of spaceflight Postal history of the United States David Scott James Irwin Alfred Worden