Unit 1 Research Agencies Text I NASA Text II ROSCOSMOS Text III CASC Unit 2 Rocket Text I How Rockets Work Text II How Do Space Rockets Work Text III Report of a Rocket Experiment Unit 3 Space Exploration Text I A Review of Human Cognitive Performance during Long -Term Spaceflight Text II The Second Space Race--A Review of Asteroid Mining Literature Text III Review of Nuclear Thermal Propulsion Technology for Deep Space Missions Unit 4 Space Station Text I Quantum Optics Experiments Using the International Space Station: a Proposal Text II Preliminary Studies on the Development of a3-D Space Radiation Transport Model Text III A Proposal to Research the Storage Facility for Spent Nuclear Fuel at Yucca Mountain Unit 5 Space Shuttle Text I Space Shuttle Case Studies: Challenger and Columbia Text II On the Very Idea of Risk Management: Lessons from the Space Shuttle Challenger Text III Advanced Spacecraft Systems Emulation for Space Environment Qualification Testing Unit 6 Space Environment Text I Charging of Composites in the Space Environment Text II Effects of Space Environment Factors on Optical Materials Text III Passive Space- Environment -Effect Measurement on the International Space Station