As much as I like the Army COE mindset re: castles - we solved the fricken wall problem in less than a day!!!! - I keep thinking Red Castle = NK and Green = Iran. Castle meaning [until now] impenetrable.
Mar 15 2018 19:36:51 (EDT) Q !UW.yye1fxo ID: 26e3a8 678119
Iran next [].
I like that theory too, at least enough to give it some time in pondering.
My hangup is fitting them into the "Stage_5:5[y]" line.
OTOH, if I view the "Stage_5:5[y]" line as "ready to dish dirt," the two castles may be white hat assets who can do the dishing.