That's normal for pretty much every military contract. It's not just the military, though. Why does NASA need ten separate "space centers"? Education, infras

That's normal for pretty much every military contract. It's not just the military, though. Why does NASA need ten separate "space centers"? Education, infrastructure... every dollar spent by Congress is viewed through the filter of whose district is going to receive it. The US political system is antithetical to efficiency.