Shuttle managers have concluded the Delta Flight Readiness Review (FRR) – one of the longest in shuttle history – by failing to approve flight rationale due to concerns with the Flow Control Valves (FCVs). No launch date has been set, but February 27 is no longer the target. Teams will meet again on Wednesday to ensure full confidence in approving the flight rationale. The main topic was – as expected – the Flow Control Valve (FCV) issue, with most of the morning and all of the afternoon a

