Keywords: National Security Action Memorandum No. 50 Official Announcement of Launching into space systems involving nuclear power - NARA - 193450.tif Scope and content Memorandum for Dr Edward C Welsh concerning the President's desire for information about space systems which involve nuclear power General notes 193450 Local identifier President 1961-1963 Kennedy Office of the Special Assistant to the President for National Security Affairs 01/20/1961 - 11/22/1963 John F Kennedy Library NLJFK Columbia Point Boston MA 02125-3398 1961-05-12 Record group Collection JFK-NSF Papers of President Kennedy National Security Files 01/20/1961 - 11/22/1963 Record group ARC 1164 National Security Files Meetings and Memoranda compiled 1961 - 1963 Series ARC 193354 File unit National Security Files Meetings and Memoranda National Security Action Memoranda 02/03/1961 - 11/13/1963 File unit ARC 193400 Variant control numbers NAIL Control Number NLK-NSF-MM-NSAM-10CCCR yes Other versions <gallery> File National_Security_Action_Memorandum_No _50_Official_Announcement_of_Launching_into_space_systems_involving_nuclear_power_-_NARA_-_193450 tif tif File National_Security_Action_Memorandum_No _50_Official_Announcement_of_Launching_into_space_systems_involving_nuclear_power_-_NARA_-_193450 jpg jpg </gallery> NARA-cooperation PD-USGov Presidential Decision Directives Kennedy NARA TIF images with categorized JPGs |