The Russian Gov Issued a Contract for a Nuclear Space Tug

The Russian government has issued a contract to RSC Energia to develop a new class of rockets for lunar exploration and the contract documents indicate that a nuclear-powered space tug will be develop as well.

link.

2nd link (in Russian).

WTF: Energia Patents Placing an Inflatable Module on the International Space Station

Rocket and Space Corporation (RSC) Energia has taken out a patent for the invention of a transformable habitable module for the Russian Segment of the International Space Station (ISS) and future space stations.

link.