This is a great read.
The first article I stumbled upon is just a general political case against the Death Star and it’s uses as a governing tool:
This linked to another paper written by a Systems Engineer within the Air Force that goes into a little more depth about the impracticality of Ultra expensive Defense projects. He likens it to a certain current over budget DoD project that he doesn’t name.
Spoiler: It’s the 1 trillion dollar F-35 JSF