I'm convinced that anything they say is "coming" is already here, but not declassified yet. Just look at all the different military aircraft models that were long rumored, with the establishment pinning the sightings on crazies and the fringe.
All this with high ranking officials opining that "we need a game-changing" technology is just the defence complex getting the pubic ready for a radical departure from the military status-quo, so that the reaction will be "Yay!", instead of "*Gasp!*".
Politically, there's not been a better opportunity for a long time. The Gulf Wars and their sequels were OK for unveiling some fairly mundane tech, but the highly dedicated, but low-tech opposition found in those theatres weren't sufficient to create the requisite fear at home. It takes the Russian threat (which has been helped along by the West's strategically botched actions in Ukraine) to get people sufficiently anxious to be ready to receive some truly game-changing military tech with open arms. (Oops, no pun intended there.)