2012.09.14 - Testimony of Mr. William H. Gerstenmaier

Mr. William H. Gerstenmaier is the Associate Administrator, Human Exploration and Operations Mission Directorate, National Aeronautics and Space Administration http://www.facebook.com/ScienceDemocrats https://twitter.com/SciCmteDems http://democrats.science.house.gov/hearing/recent-developments-nasa%E2%80%99s-commercial-crew-acquisition-strategy