I fail to see ANY MENTION of the very real possibility that these vehicles are of U.S. origin and the reason the program funding ended was because revealing this program represents a threat to national security.
From the article:
“Was this China or Russia trying to do something or has some propulsion system we are not familiar with?” said a former staffer who spoke with POLITICO on condition of anonymity.
Or, duh … are they of U.S. origin?!
The answer is in Flying Saucers!