sentences:  The battalion can be made fully operational after 30 days from the receipt of a request from the United Nations.The unit is mutually financed by Ukraine and Poland while other countries provided assistance in non-military aspects, mainly in the advancement of knowledge of English among the troops since English is the operational language of the unit.Since 2000, the battalion of 545 Polish and 267 Ukrainian soldiers has been deployed as part of KFOR, an international peacekeeping force in Kosovo, claimed as a Serbian province and then under UN administration.