On March 5, 1953, the Polish pilot Lt. Franciszek Jarecki run from Słupsk (Polish Air Force Base) to Rønne Airport on Bornholm Island in a MiG-15bis ( Lim-2 ) no. 346) - a modern Soviet fighter. Western air specialists checked the aircraft and several days later, the MiG returned to People's Republic of Poland by ship. Jarecki, however, went to the United States, where he provided much important information about modern Soviet aircraft and air tactics.