From the countdown to 2205 Zulu:
- Chill down propellant transfer lines (7:37 a.m. EST)
- Begin loading the external fuel tank with about 500,000 gallons of cryogenic propellants (about 7:47 a.m.)
- Complete filling the external tank with its flight load of liquid hydrogen and liquid oxygen propellants (about 10:37 a.m.)
- Final Inspection Team proceeds to launch pad
