04.06.07

George H. Diller
Kennedy Space Center, Fla.
321-867-2468

STATUS REPORT: ELV-040607

EXPENDABLE LAUNCH VEHICLE STATUS REPORT

Mission: AIM (Aeronomy of Ice in the Mesosphere)
Launch Pad: Vandenberg Air Force Base, Calif.
Launch Vehicle: Pegasus XL (Orbital Sciences)
Launch Date: April 25, 2007
Launch Time: 1:26:49 p.m. PDT

NASA's AIM spacecraft was mated to the Pegasus XL rocket on Wednesday.
An integrated flight simulation is scheduled for early next week.
Later that week, operations will begin for installation of the
Pegasus fairing around the AIM spacecraft.

The Pegasus rocket with the AIM spacecraft is currently planned to be
installed onto the transporter April 16. The L-1011 carrier aircraft
is slated to arrive at Vandenberg Air Force Base the following day.
Transporting Pegasus/AIM to the runway for mating operations with the
carrier aircraft is scheduled for April 22.

Previous status reports are available on the Web at:

http://www.nasa.gov/centers/kennedy/launchingrockets/status/2007