A Russian MiG-31K interceptor aircraft, capable of carrying hypersonic Kinzhal ballistic air-to-surface missiles, landed at the Machulishchy airfield in Belarus on Oct. 9, the Belaruski Hajun monitoring group reported. According to the group, the MiG-31K landing is the first in a year and a half. In April 2023, three Russian MiG-31Ks left the country and have not been spotted there since then. While Belarus, an ally of Russia, hasn’t directly participated in the war, it has allowed the Kremlin to use its territory as a staging ground for its operations against Ukraine. Moscow stationed several…