Michael Delp of Florida State University in Tallahassee, speaks to members of social media in the Kennedy Space Center’s Press Site auditorium. He is principal investigator for the Rodent Research-9 experiment. The briefing focused on research planned for launch to the International Space Station. The scientific materials and supplies will be aboard a Dragon spacecraft scheduled for launch from Kennedy’s Launch Complex 39A on Aug. 14 atop a SpaceX Falcon 9 rocket on the company's 12th Commercial Resupply Services mission to the space station.