it's definitely one of the best US state flags. most of them are ugly as hell

The flag you are thinking of is the former flag of the Karen National Liberation Army.

No they weren't socialists unfortunately, but they also aren't connected to imperial Japan

Without the rays, it's nearly Viet Cong

Socialist Republic of Arizona is hiding it's strength and biding it's time

I got a stroke and thought this was the South Vietnamese flag, with it's orange and yellow...

I always thought it looked it a sci-fi rebel group flag.