Keywords: Thor Agena B with Discoverer 29 (Aug. 30, 1961).gif Discoverer 29 onboard of Thor Agena B launch vehicle Aug 30 1961 Discoverer 29 na pokładzie rakiety nośnej Thor Agena B 30 sierpnia 1961 Source http //www planet4589 org/space/images/lv/61023 html USAF via Jonathan's Space Home Page Thor Agena PD-USGov |