| Retaining Shuttle Flight Controllers through the End of the Shuttle Program:  A Report Based on Data from the 2006 Shuttle Flight Controller Survey on Organizational Risk and Tool Development  (2007) none none 2006, Controller, Controllers, Data, Development, Flight, Flight, Organizational, Program, Report, Retaining, Risk, Shuttle, Shuttle, Shuttle, Survey, Tool Report submitted to Mission Operations Directorate, Johnson Space Center, NASA, Houston, Texas |