Between 9 and 15 May 2013, he made an official visit to the United States. The tour promoted the rehabilitation of injured American and UK troops, publicised his own charities and supported British interests. It included engagements in Washington, DC, Colorado, New York, New Jersey, and Connecticut. He met survivors of Hurricane Sandy in New Jersey. In October 2013, he undertook his first official tour of Australia, attending the International Fleet Review at Sydney Harbour. He also paid a visit to the Australian SAS HQ in Perth. In May 2014, he visited Estonia and Italy. In Estonia, he visited Freedom Square in the capital Tallinn to honour fallen Estonian soldiers. He also attended a reception at the Estonian Parliament and a NATO military exercise. In Italy, Harry attended commemorations of the 70th anniversary of the Monte Cassino battles, in which Polish, Commonwealth and British troops fought. On 6 November 2014, he opened the Field of Remembrance at Westminster Abbey, a task usually performed by Prince Philip.