On 26th January 1942, the first elements of the United States Army arrived at Dufferin Dock, Belfast. Assembled dignitaries welcomed soldiers and officers.
During the Second World War, the Harland Wolff Ltd. Shipyard in Belfast built and repaired many naval vessels despite sustaining damage in the Belfast Blitz.
On 24th June 1942, H.M.S. Phoebe docked at Musgrave Channel, Belfast. On board were King George VI and Queen Elizabeth beginning a visit to Northern Ireland.