In the second of two programmes, Edward Marriott pieces togetherwhat really happened to the submarine HMS Affray, lost with her crew of 75 in the Royal Navy's worst disaster since the Second World War. When she was finally located, there seemed to be no conclusive reason why she should have sunk or why she was so far off course. Relatives of those who died believe the authorities were less than honest about the true purpose of the /Affray'sfatal voyage. Producer John Dryden