› Two Technicians Participate in the Joint Integrated Simulation
› Flight Director Tony Ceccacci in the White Flight Control Room
› Flight Activities Console in the White Flight Control Room
› Ian Mills at the Payloads Deploy and Retrieval Console (PDRS)
› The Entire SM4 EVA Astronaut Team Inspect Underwater Mock-ups of Tools and Crew Aids
› HST SM4 EVA Astronaut Mike Massimino Prepares to Enter the Water at the NBL
› HST SM4 Astronaut Mike Massimino Enters the Water at the NBL to Practice Servicing Hubble
› SM4 EVA Astronaut Andrew Feustel Practices Installing New Battery Modules
› SM4 EVA Astronauts Practice Installing WFC3 During Final Underwater Training
› The Fine Guidance Sensor is Installed into its Protective Enclosure