NASA will host its traditional post-Flight Readiness Review news conference on Saturday, June 17, (no later than 2pm EDT) to announce key decisions about Discovery's mission, STS-121. The conference, to be aired live on NASA TV, will include the selection of an official launch date. The NASA officials who will attend the briefing from the Kennedy Space Center include:

• Michael Griffin, NASA Administrator
• Bill Gerstenmaier, associate administrator for Space Operations
• Wayne Hale, Space Shuttle Program manager
• Mike Leinbach, NASA launch director