Tara Ruttley, associate program scientist with NASA's Johnson Space Center in Houston, speaks to participants during a NASA Social "What's on Board" briefing at the agency's Kennedy Space Center in Florida, for Orbital ATK's seventh commercial resupply services mission, CRS-7, to the International Space Station. Orbital ATK's Cygnus pressurized cargo module is set to launch on the United Launch Alliance Atlas V rocket from Space Launch Complex 41 at Cape Canaveral Air Force Station on April 18. Liftoff is scheduled for 11:11 a.m. EDT.