This technology is around for 60 years or more. That exact platform is almost 30 years old.
I know that, anybody with any aviation history could tell. You should read what I said, the Russians are the only ones left using it.
We abandoned it in favor of the Sikorsky tail rotor for what was justified as simplicity. However, the tiny drive shaft that powers the tail rotor along with associated U joints and angle drives make it a prime candidate for failure as well as battle damage.