DoD

What we're acquiring and what we're developing here isn't necessarily going to replace existing assets, right? Existing aircraft in the DOD inventory are developed by brilliant teams of engineers that know exactly what they're doing. And so with some guidance and collaboration, there's a great path for that that we've been able to build within the prime team. But Stu, Julie, a different method? Are they just different? I mean, what's unique about this situation?