David M. Lengyel @DavidMLengyel Not recently active ActivityProfileSites 1Friends 0Favorites0Groups 0Forums Recent Blog Posts Ares I-X Lessons Learned ModuleColumbia Accident Investigation Lessons LearnedSpace Shuttle Risk Management Case StudyIntegrated Risk & Knowledge Management for Space Exploration View all Topics StartedReplies CreatedFavorites Forum Topics Started Viewing 2 topics - 1 through 2 (of 2 total) Topic Voices Posts Freshness Space Shuttle Program Transition and Retirement Lessons Learned in: Miscellaneous 1 1 David M. Lengyel 5 years, 8 months ago NASA Knowledge-Based Risks Library in: Miscellaneous 1 1 David M. Lengyel 6 years ago Viewing 2 topics - 1 through 2 (of 2 total)
