Konstantinas Žukas was a Lithuanian colonel who was the Minister of Defence from 19 June 1920 to 7 April 1921. At the same time, he was the chief commander of the Lithuanian Army during the Polish–Lit
Jonas Galvydis-Bykauskas was a Lithuanian general who served in the Imperial Russian Army and the Lithuanian Army. He was the supreme commander of the Lithuanian Army from 9 April to 7 July 1920.