Check out Integrated product teams by John Goodpasture. Here is an excerpt:
The US DoD has had the concept of the Integrated Product Team (IPT) for a couple of decades. If you search "Crosstalk, the journal of defense software engineering", you’ll find zillions of articles that reference the IPT.
And, if you search www.dau.mil, you’ll also find a wealth of material….
The full article is available here.