Three Mariner probes were constructed for the mission, with two intended to fly and one as a spare in the event of a mission failure. The spacecraft have been shipped to Cape Canaveral with their Atlas-Centaur boosters in December 1968 - January 1969 to begin pre-launch checkouts and testing. On February 14, Mariner 6 was undergoing a simulated countdown on ...
80.00 €
4 months agoSeni - Barang Koleksi2613 people viewed