The Russian president's train boasts radio antennae for special communications fixed to the roof of certain carriages, covered by casings, and has been upgraded to be more secure. It has reinforced axles like heavy freight trains because of the weight of the armour on the carriages. It requires three engines at the front, and has one at the rear. On the side of the train is the logo of Grand Service Express, a company which Dossier alleges is linked to close Putin associate Yuri Kovalchuk. Regular trains are halted to allow the Putin express to speed to its destinations. Putin...