Prime Minister Stephen Harper and Mrs. Laureen Harper attend the NATO Summit in Strasbourg, France. On April 3, Prime Minister Stephen Harper shakes hands with Canada's Ambassador to France Marc Lortie as he arrives in France for the NATO Summit in Strasbourg, France. Prime Minister Stephen Harper takes a helicopter with Minister's Lawrence Cannon and Peter MacKay to a working dinner at the NATO Summit in Baden-Baden, Germany. Leaders arrive for a working dinner at the NATO Summit. Posing for a photo before a working dinner from left to right are: German Chancellor Angela Merkel, her husband Joachim Sauer, Prime Minister Stephen Harper, French President Nicolas Sarkozy, France's first lady Carla Bruni-Sarkozy, NATO Secretary General Jaap de Hoop Scheffer and his wife Jeannine de Hoop Scheffer. The group attended a piano concert and working dinner with other NATO leaders at the Kurhaus in Baden-Baden. French First Lady Carla Bruni-Sarkozy, centre, greets Canadian Prime Minister Stephen Harper during arrivals at the Kurhaus in Baden-Baden NATO meetings. Prime Minister Stephen Harper leaves on a helicopter with Minister's Lawrence Cannon and Peter MacKay following a working dinner at the NATO Summit in Baden-Baden. On April 4, Prime Minister Stephen Harper arrives for a NATO military ceremony and family photo in Strasbourg, France. He walks with the Prime Minister of Belgium Herman Van Rompuy as they make their way to a military ceremony and family photo in Strasbourg. Mr. Harper watches a military ceremony at the NATO Summit. Department of National Defence Chief of Defence Staff General Walter Natynczyk attends NATO sessions in Strasbourg. US Secretary of State Hillary Rodham Clinton chats with Foreign Affairs Minister Lawrence Cannon during NATO sessions. Prime Minister Stephen Harper, Foreign Affairs Minister Lawrence Cannon and staff, gather around the Canada Desk during NATO sessions. Prime Minister Stephen Harper walks with British Prime Minister Gordon Brown during NATO sessions. Prime Minister Stephen Harper speaks with Croatian Prime Minister Ivo Sanadar before a bilateral meeting. The following people are also depicted in the photographs: Marc Lortie, Nicolas Sarkozy, Carla Bruni-Sarkozy, Peter MacKay, Lawrence Cannon, Angela Merkel, Joachim Sauer, Jaap de Hoop Scheffer, Jeannine de Hoop Scheffer, Barack Obama, Michelle Obama, Herman Van Rompuy, Hillary Rodham Clinton, Ivo Sanadar, Dimitri Soudas, Jeremy Hunt, Gordon Brown.