Endeavour Undergoes Heat Shield Inspection

Pilot Charles Hobaugh, and mission specialists Tracy Caldwell and Rick Mastracchio are using the shuttle’s robotic arm and the Orbiter Boom Sensor System (OBSS) to take an extensive and detailed look at the orbiter’s thermal protection system. Mission specialists Dave Williams and Barbara Morgan join Mastracchio for the latter part of the survey. More

(Source: NASA - Aug 9)