Penny Pettigrew is an International Space Station Payload Communications Manager, or PAYCOM, in the Payload Operations Integration Center at NASA's Marshall Space Flight Center in Huntsville, Alabama.

Penny Pettigrew chats in real time with a space station crew member conducting an experiment in microgravity some 250 miles overhead. The Payload Operations Integration Center cadre monitor science communications on station 24 hours a day, seven days a week, 365 days per year.