The were four launching pads for the Vergeltungswaffe 1 (V-1) built near Castricum during the Second World War, but they were never used. This is the only one of the four that still remains. A fifth one was planned, but never buit.
More information about Stützpunktgruppe Castricum can be found in Part 2 of the book 'Castricum en Bakkum tijdens de Tweede Wereldoorlog', written by John Heideman (2016).
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