rootbrowseIAC-12D1session 55. Lessons Learned in Space SystemsPapers1. Modeling and simulation of the Solar Probe Plus SpaceWire virtual data bus2. The Canadian Contribution to the James Webb Space Telescope: the Fine Guidance Sensor (FGS) and the Near-InfraRed Imager and Slitless Spectrograph (NIRISS)3. System Verification and AIT Lessons Learned for the EXPERT Re-entry Demonstrator4. Innovative Failure Recovery made possible by the flexible architecture of SumbandilaSat5. FOLLOW UP ON THE STANDARDIZATION OF THE TECHNICAL READINESS LEVELS (TRL)