Polish–Ukrainian Peace Force Battalion (POLUKRBAT) or Ukrainian-Polish Peace Force Battalion (UKRPOLBAT) is a Polish-Ukrainian peacekeeping battalion, formed in the late 1990s expressly "for participation in international peace-keeping and humanitarian operations under the auspices of international organizations".

The 30th Prince Konstanty Ostrogski Mechanized Brigade is a formation of the Ukrainian Ground Forces. The full name of the unit is 30th Independent Mechanized Brigade "Konstanty Ostrogski".