A Bunch of Plumbers

The Unsung Heroes of the American Space Program A Bunch of Plumbers is the behind-the-scenes story of how NASA engineers, armed with butcher paper, slide rules, and punch card computers, accomplished two of the most successful missions of the 20th century-the Lunar Orbiter Project that placed five spacecraft around the Moon and photographed the proposed Apollo Landing Sites, and the Viking Project that succeeded, against all odds, in placing two landers on the surface of Mars in 1976. John ...