Presidents of Poland, Lithuania, Ukraine review joint troops Ukrainian president Petro Poroshenko calls for a "concrete measures" and a "roadmap" for his country's accession to NATO, as he and his Lithuanian and Polish counterparts meet in Lublin, Poland, to review a military brigade formed by their countries. IMAGES of the review of the troops AND SOUNDBITES of Andrzej Duda, Polish president and Petro Poroshenko, Ukrainian president