Hagel Lays Wreath at Soldier Tomb in Warsaw, Poland U.S. Defense Secretary Chuck Hagel lays a wreath at the Tomb of the Unknown Soldier in Warsaw, Poland, Jan. 30, 2014. Hagel is on a trip to Europe to meet with defense leaders and attend the 50th Munich Security Conference. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 937230-O-RFU39-834.jpg Photo Gallery