Cruising companies expected the disaster to eat up profits this year, but recent figures show they're doing better than expected.
People from our region who emigrated to Australia after the war have been joining in with celebrations to mark P&O's anniversary
The Princess Royal reviewed the seven ships in P&O Cruises' fleet at Southampton in an anniversary marred by foul weather and traffic chaos.
A small team look after the P&O Heritage collection. It's 25,000 items - from ship models and china - to a unique collection of photos and paintings charting 175 years of history. The artefacts are put on display at exhibitions, but many are displayed among staff at offices in London.
Our Transport Correspondent Mike Pearse looks back at P&O's 175-year history.