With the exception of the Cessna 172, the Il-2 "flying tank" is the most produced aircraft in history, with 36,163 built. Despite this, only about eight examples survive worldwide. In the immediate post-war years, the Il-2 formed the backbone of the fledgling JRV (Yugoslav AF), with about 300 operated. As the rear fuselage and tail surfaces were made from wood, the Ikarus aircraft factory in Yugoslavia manufactured metal replacements to increase service life, the last Il-2s flying till 1955