Two Russian MiG-31K jets were transferred to Belarus this week, potentially signaling Russia’s efforts to protect its warplanes amid increasing Ukrainian strikes on Russian air bases. The jets had not been seen in Belarus since April 2023. However, on Oct. 10, a MiG-31 aircraft, capable of carrying Kinzhal ballistic missiles, landed at Belarus’ Machulishchy airfield, followed by a second jet, according to the Belarusian Hajun monitoring group. The last recorded movement of the jets was at 3:10 p.m. local time on Oct. 10, when both planes took off from the airfield. Their current location is un…