I have a c47 page report from NDRC on the US designed VASS low level bombsight for submarine attacks. It was still in development with just a few prototypes in existence. It is not stabilised and just has a single tube bubble level (similar to the British hand held Mk I but more sophisticated). It is very trigonometry heavy. The report is dated 12 November 1942 and copy was in British hands the following January.
Anyone know the subsequent history of the sight? Was it adopted and used operationally by the US? Britain did not use it.
Anyone know the subsequent history of the sight? Was it adopted and used operationally by the US? Britain did not use it.