yes see post 1003 as well
http://www.freerepublic.com/focus/chat/3663027/posts?page=1003#1003
it connects to the airport pics in feb also
https://threadreaderapp.com/thread/962480672064466944.html
I'll admit it's a stretch, but my theory is that someone traveling between Hanoi and Shanghai was picked up last night at gate E, door 5.
That would work, found United flights to Shanghai via 767. All United flight from US to Hanoi have a connecting flight, Shanghai, Tokyo, Seoul, etc.