Simon Glancey has submitted the following:
Sgt. Snowden was killed when Vickers Wellington X HE598 'U' of 104 Squadron was lost on a mission to attack marshalling yards at Torre Annunziate, some 10 miles south east of Naples. The Squadron O.R.B. (Operational Record Book) states that the Wellington was 'missing from operations, believed to have been shot down over the target.' All five crew members were killed.
Also killed in the incident was Sgt. Arthur Dix Taylor
John Snowden is remembered in West Hartlepool on W111.17 and W111.55