Valkyrien Warfare was the original name of Valkyrien Skies.
The CurseForge page for example used it. (it has since been renamed to valkyrien-skies)
Valkyrien Warfare Revamped was the successor to it.
Valkyrien Warfare Revamped
Valkyrien Warfare Revamped was the second name change for Valkyrien Skies.
The GitHub repository used this name.
It succeeded Valkyrien Warfare and was succeeded by Valkyrien Skies.
Valkyrien Skies is the current name of the mod.
This wiki, the website, the GitHub repository, the CurseForge page and the Discord server currently all use this name.