Keywords: Thor Agena B with Discoverer 18 (Dec 7, 1960) 2.gif Launch of the Thor Agena B with satellite Discoverer 18 Dec 7 1960 Start rakiety Thor Agena B z satelitą Discoverer 18 7 grudnia 1960 Source http //www planet4589 org/space/images/lv/60018 html USAF via Johnatan Space Report CORONA satellites launches Thor Agena PD-USGov |