+ Visit NASA.gov + Contact NASA   + Home Select Search Field * All Report - Patent Number Abstract *Accession Number *NASA Center *Author NameDocument IDKeywordsPublication Date *Title * Find Results With All of the words At least one of the words Enter Search Term  within returned results    Search Tips: Use only the fields with * to search NIX collection. Enclose terms in double quotation marks (") to search for exact phrases, ie: "space shuttle". NOTE: Commas and dashes are removed from search term by search engine. Select Reset Search button to start a new search. See Help for more tips. + Publication Year + Subject + Availability Options Selected Navigations: Author > Vander Veen, A. A. [x] Sort results by: NASA Center | Date Added to NTRS | Publication Year There are a total of 6 record(s) matching your query. Sorted by: Date Added To NTRS in Descending order Venus swingbys for manned Mars missions during the 1978-1986 period Author(s): Vander Veen, A. A. Abstract: Venus swingbys for manned Mars missions - space flight mechanics NASA Center: NASA (non Center Specific) Publication Year: 1966 Added to NTRS: 2007-12-28 Accession Number: 79N71846; Document ID: 19790072338; Report Number: NASA-CR-79072 Preliminary results of an attractive Earth-Venus-Mercury mission in 1978 Author(s): Vander Veen, A. A. Abstract: No Abstract Available NASA Center: NASA (non Center Specific) Publication Year: 1968 Added to NTRS: 2007-07-17 Accession Number: 79N71587; Document ID: 19790072079; Report Number: NASA-CR-73571 Space storable stage atop the Titan 3X /1205//Centaur for grand tour missions Author(s): Vander Veen, A. A. Abstract: No Abstract Available NASA Center: NASA (non Center Specific) Publication Year: 1968 Added to NTRS: 2005-11-01 Accession Number: 79N72359; Document ID: 19790072851; Report Number: B68-12019, NASA-CR-100229 Summary description of outer planet grand tour missions Author(s): Vander Veen, A. A. Abstract: No Abstract Available NASA Center: NASA (non Center Specific) Publication Year: 1968 Added to NTRS: 2005-10-20 Accession Number: 79N71592; Document ID: 19790072084; Report Number: NASA-CR-100242 The 1975 mars-venus ballistic dual-planet flyby memorandum report Author(s): Vander Veen, A. A. Abstract: No Abstract Available NASA Center: NASA (non Center Specific) Publication Year: 1967 Added to NTRS: 2005-10-13 Accession Number: 79N71550; Document ID: 19790072042; Report Number: NASA-CR-92796 The 1978 Venus-swingby-to-Mercury mission Author(s): Vander Veen, A. A. Abstract: General characteristics of Earth-Venus-Mercury flyby mission NASA Center: NASA (non Center Specific) Publication Year: 1969 Added to NTRS: 2004-11-03 Accession Number: 69N32484; Document ID: 19690023106; Report Number: NASA-CR-103637, TM-69-1013-2 + Back to Top + Sponsored by the NASA Scientific and Technical    Information Program + 2004 Vision for Space Exploration + Freedom of Information Act + NASA Web Privacy Policy and Important Notices + NASA Disclaimers, Copyright Notice,    and Terms and Conditions of Use NASA Official: Calvin Mackey Page Curator: NASA Center for AeroSpace Information (help@sti.nasa.gov) Last Updated: July 5, 2007