Keywords: Thor Agena B with Discoverer 19 (Dec. 20, 1960).gif Thor Agena B with Discoverer 19 Dec 20 1960 Thor Agena B z satelitą Discoverer 19 20 grudnia 1960 Source http //www planet4589 org/space/images/lv/60019 html USAF via Johnatan's Space Report CORONA satellites launches Thor Agena PD-USGov |