The procurement system is designed around ordering next generation aircraft carriers and next generation air superiority aircraft. They need to be large and cumbersome because they require the development, procurement, and integration of hundreds, if not thousands, of systems, subsystems, and components. It moves at bureaucracy speed.
The Pentagon procurement system is structured for multi-year capital projects.
Much like Space Force was broken out into its own service, tactical autonomous systems needs to be special operation units free from the bureaucracy of the Navy, Army, and Air Force. The shelf life of technology, components, and software is measured in months, not years.