The Navy is bringing back the W-1 grade for the first time since the mid-1990s for cyber warfare billets. It was last used briefly for technical nurses in the 1990s, but otherwise has been in disuse since 1975.
https://www.navytimes.com/news/your-navy/2019/11/01/heres-whats-next-for-the-navys-new-w-1s/