Russia's Tu-95 and Tu-160 strategic bombers are capable of carrying out nuclear and conventional long-range strikes, and have repeatedly been used by Russia's military to launch missile attacks on Ukraine. The military base is located some 500 miles southeast of Moscow, and it has been targeted several times throughout the war.

An apparent Ukrainian attack on Russian military infrastructure — one of more than 10 since the beginning of August — struck overnight Tuesday. A munitions depot in the town of Toropets, deep inside Russia,

Ukraine said it destroyed a large weapons stockpile in Russia overnight using long-range drones to stage the attack as Kyiv awaits US permission to use western-made missiles in such operations.