helsinki lithuania expect nato reach agreement next year shield baltic countries air defenses plug gap security russia defense minister say tuesday since russia annex crimea peninsula ukraine 2014 begin provide weapons troop separatist rebel eastern ukraine nato send force baltics eastern poland around black sea lithuania border russian region kaliningrad want nato permanently deploy anti-aircraft weapons baltics poland move see moscow unjustified military build-up border expect defense minister raimundas karoblis tell reuters ask saw agreement shape nato summit 2018. air defense one issue need address also need look domains like nato command structure reform need move forward aspects say also call nato strengthen maritime defenses baltics karoblis speak helsinki meet counterparts northern group countries include nordic baltic state britain germany poland netherlands u.s. secretary defence jim mattis also join meet karoblis say exercise consider nato russia zapad war game unnerve west september mattis tell reporters meet 12 nations stand together reaffirm territorial integrity clear one nation think hold kind veto strong influence others russia country name come repeatedly last 48 hours say lithuania expect nato reach deal baltic air shield