Russia has unveiled chilling pictures of its largest ever nuclear missile

[POP]

There's a term for this. Vaporware. The Russians always boast about having badass military equipment and they can't even keep their navy ships running. Don't buy into the BS

If you follow history, Russia is not known for "bad ***" weapons as much as they are for mass production of cheap weapons, which in itself, is a competitive advantage. Germany's tanks were far superior to Russians' in WWII, but Russian tanks were cheaper and able to be mass produced quickly. Germany was all smug in their much more advanced engineering and quality, but in the end, their tanks took too much time and money to build.