Engineers on the project are leaving in droves (we got a couple interviewing for us, but I presume a lot more are just moving internally) to avoid the crunch and (likely) eventual crash & burn (because if they can't physically implement the requirements today I doubt they'll breakthrough in a year).
AR, VR, sensor technology, battery technology and portable computing have come a long way for certain, but most of what's being promised is just grandiose.
I'm always surprised at how much snake oil and empty promises the federal government keeps buying in bulk. I realize why the DoD wants to invest in this, because you should to stay current if not ahead of adversaries, but why do they have to push it as a development effort when it's really a lot of research and exploratory engineering work. Does it take take big promise to get adequate funding for slightly less grandiose but still cutting edge work?
The older I get, the more tired I get of the constant oversell in technology.