If one adopts the notion that this would involve the sale of ERAS-TDM, the customizing of it, and that the scale is at the 100k seats or more as one could speculate from this:
and if the Army essentially P.O.s the thing in one blob up front, or otherwise enters into an agreement for the whole thing regardless of how it is billed, then yup, that's an 8-k.
So far what we see from Wave is incrimentalism.
GM gave Wave Gm part 1 (which was big) and then GM part 2.
PwC was incremental to the point of no 8-k, the reproting of which was relegated to the normal kinetics of a quarterly report and only later road-showed. While PwC has stated the plan is for some 100k+ seats of this CSP deployemnt, it was done in the 10k seats here and 10k seat there fashion.
BP is clearly following the same route, we've seen part one, the linkdin stuff portends parts 2 or 3 or so.
I'm inclined to think that the mil has tested and piloted the matter fair bit on this, they have settled on the criteria, settled on a vendor, and are likely to enter into a contract that when all added up is well into 8-k land (and that assumes that the software itself isn't routing through NG).
But in the end I'm staying conservative and figuring an 8-k is a coin toss in Feb on this matter.