Ride along with Commander Pam Melroy and her crew aboard Space Shuttle Discovery on an exciting journey to the International Space Station. Strap in for Mach 25, and float in zero gravity on... Read allRide along with Commander Pam Melroy and her crew aboard Space Shuttle Discovery on an exciting journey to the International Space Station. Strap in for Mach 25, and float in zero gravity on the trip of a lifetime.Ride along with Commander Pam Melroy and her crew aboard Space Shuttle Discovery on an exciting journey to the International Space Station. Strap in for Mach 25, and float in zero gravity on the trip of a lifetime.