Joe Dervay, Albert Holland: Variance of Opinions
Astronaut Opinions at Variance with Medical Opinions. Joe Dervay served as the lead of the Medical Operations Group at Johnson Space Center. Al Holland worked within the Medical Operations Branch at Johnson Space Center during the Space Station Program. To view the entire ISS Lessons Learned Module click on the following link: http://www.nasa.gov/externalflash/iss-lessons-learned/