Image Gallery Image of USAT General Stuart Heintzelman, c. 1950-1954. During the early postwar period, the army transport vessel brought thousands of European DPs to Canada. Credit: Canadian Museum of Immigration at Pier 21 Collection [DI2013.146.1]. At the IRO Children’s Centre in Salerno, Italy, 147 Polish orphans were interviewed for a travel visa, of which 123 were cleared for immigration to Canada. Credit: Library and Archives Canada, Immigration Branch Fonds, RG 76, vol. 660, file B74072 “Admission of Polish Orphan Children from Europe (lists),” microfilm reel C-10596.