Russian_Air_Force_Mikoyan-Gurevich_MiG-31_Pichugin-1According to the National Security and Defense Council of Ukraine, the Russian Federation is continuing to amass forces at the border, including radar stations and Mig-31 Foxhound combat planes, interceptors capable of a maximum speed of Mach 2.83. An unspecified amount of Mig-31s based at Perm have been deployed to Millerovo airfield, in the Rostov region, close to the border with Ukraine, a sign that Moscow may be preparing to actively control the airspace over Luhansk Oblast. More