In the IMAX-2 Theater at the Visitor Complex, NASA Administrator Sean O'Keefe conducts the Administrator's Briefing for specially invited guests attending the launch of mission STS-111. The briefing is a regularly scheduled event in KSC's prelaunch activities. STS-111 is the second Utilization Flight to the International Space Station, carrying the Multi-Purpose Logistics Module Leonardo, the Mobile Base System (MBS), and a replacement wrist/roll joint for the Canadarm 2. Also on board will be the Expedition Five crew who will replace Expedition Four on the Station. Launch is scheduled for May 30 at 7:44 p.m. EDT