Maybe rather than a design issue this can be seen as a development process and engineering management issue. I expect that a top level system model should redu

Maybe rather than a design issue this can be seen as a development process and engineering management issue. I expect that a top level system model should reduce the risk of this sort of error. Of course, it is hard to justify the cost of developing these models without being able to amortize that cost over multiple products / missions, so product line oriented engineering management and strong leadership from the sponsor has a big role to play as well.