First spotted a small item in the latest National Trust (NT) magazine about Dunwich Heath and Beach in WW1 and WW2, then the WW2 anti-invasion defences. Mentions Exercise Kruschen, no trace here, plenty of hits on Google and first IWM photos. The exercise in NT mag: Link to NT website and a planned walking tour: Hidden history to be revealed at Dunwich Heath Link to local press report: Exploring Suffolk’s array of WWII defences and more details on the exercise: Westleton