Space agency officials participate in a media briefing following the launch scrub of Space Shuttle mission STS-111.

In the Press Site auditorium, space agency officials participate in a media briefing following the launch scrub of Space Shuttle mission STS-111. From left are NASA Administrator Sean O'Keefe, French Space Agency President Dr. Alain Bensoussan, and Canadian Space Agency President Dr. Marc Garneau. 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 rescheduled for May 31 at 7:22 p.m. EDT