For what it's worth, here's Gwynne's official statement about Zuma:
Quote:
For clarity: after review of all data to date, Falcon 9 did everything correctly on Sunday night. If we or others find otherwise based on further review, we will report it immediately. Information published that is contrary to this statement is categorically false. Due to the classified nature of the payload, no further comment is possible.
Since the data reviewed so far indicates that no design, operational or other changes are needed, we do not anticipate any impact on the upcoming launch schedule. Falcon Heavy has been rolled out to launchpad LC-39A for a static fire later this week, to be followed shortly thereafter by its maiden flight. We are also preparing for an F9 launch for SES and the Luxembourg Government from SLC-40 in three weeks.
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So basically, it sounds like the satellite itself was a loss, but at least for now, it looks like the issue was that the connector to the F9 second stage didn't release properly. In this case, that connector wasn't designed by SpaceX, so it's not on them.
So good news: no delays to FH or the rest of SpaceX's manifest. Bad news: the U.S. appears to have lost a very expensive satellite.