Is that if it’s a joint program with the Europeans, then the Department of Defense will screw around with it, and try to kill it. (paid subscription required)
Case in point is MEADS, which packages an improved Patriot PAC-3 missile with extensive European involvement, and now the Pentagon wants to reorganize the program. (paid subscription required)
I kind of knew the program was doomed when I worked a (very little) bit on in in 1998. Jointness is the kiss of death for the Pentagon.