rootbrowseIAC-05B6session 44. Hypervelocity Impacts and ProtectionPapers1. Performance Assessment of Debris Shield with Hyper Velocity Impact Testing for the Japanese Experiment Module(JEM) and HII Transfer Vehicle(HTV)2. Vulnerability of spacecraft electric equipment to hypervelocity impacts3. The orbital debris hypervelocity impact effects 5. Improvement of Conical Shaped Charge System and comparison of the test result between CSC and Gas gun8. Proposal of Counter Impact Using Two-Stage Light Gas Guns9. Hypervelocity Impact Phenomena at Low Temperatures using a Cryostat10. Features of a protection against meteoroids