Post-Scrub Briefing Targeted for 9:45 p.m.

The post-scrub briefing now is targeted for 9:45 p.m. EDT and will be shown on NASA TV. The participants are STS-128 Launch Director Pete Nickolenko and Launch Integration Manager and mission management team Chairman Mike Moses. Discovery's launch attempt scheduled for Wednesday morning was scrubbed after a problem developed with a valve inside Discovery's aft compartment.