Poland's Foreign Minister Radosław Sikorski started a four-day working visit to the United States on April 27th , where he is holding talks on military cooperation as well as new areas of US-Polish cooperation on energy and climate.

Sikorski visit program includes meetings with US Secretary of State Hillary Rodham Clinton, US Secretary of Defense Robert Gates, US National Security Advisor James Jones, representatives of the United States Congress, former presidential national security adviser Zbigniew Brzeziński among others.