Pentagon Plans to Shrink Army to Pre-World War II Level
nytimes.com
nytimes.com
Also advancements in efficiency and automation allow smaller crews to do the same tasks and operate the same vehicles.
Lasers, railguns, drones, and robots will dominate the battlefields very, very soon. Humans will just be there to talk to people and tell the robots to go capture / kill / defend / build things.
And bring our people back home. As a former Marine, I'm tired of seeing body bags when there's no looming threat to the physical security of our nation. Our children deserve better.