I believe FERC only applies to the onshore train facility. Not sure anymore but I think that's the case.
The timelines are tight but they will all work out in the end.
If you are thinking four flng's in short order there is no way they can do that without public access to funding. And that needs to be in place well before three and four are even started. Just look at the dollars involved.
If they RM after FIDs on one and two then the rest will come easily. $TGLO/RM