 By the early 1950s, the Soviet forces had eradicated most of the Lithuanian nationalist resistance.Intelligence gathered by the Soviet spies in the West and KGB infiltrators within the resistance movement, in combination with large-scale Soviet operations in 1952 managed to end the campaigns against them.Adolfas Ramanauskas (code name "Vanagas"), the last official commander of the Union of Lithuanian Freedom Fighters, was arrested in October 1956 and executed in November 1957.