| LWS-4 ZubrThe LWS-4 Zubr (PZL-30 Zubr) was the Polish twin-engine medium bomber, produced in a small series in the LWS factory before the World War II. Development It was initially designed in the PZL in the early-1930s as a passenger plane. Since the Polish Airlin | LWD JunakThe Junak LWD Junak WSK Junak is a Polish trainer aircraft, used from 1952 to 1961 by the Polish Air Force and to 1972 by a Polish civilian aviation. Development The aircraft was designed in response to a Polish Air Force requirement of 1946 for a trainer | Lwów UprisingThe Lwow Uprising was the armed struggle started by the Polish Armia Krajowa against the Nazi occupiers of Lwow, during World War II. It started on July 23, 1944 as a part of a plan of all-national uprising codenamed Operation Tempest and lasted until Jul |