phfort1 Next → http://www.pillbox-study-group.org.uk/psgwordpress/wp-content/uploads/2013/01/phfort1.jpg http://www.pillbox-study-group.org.uk/psgwordpress/wp-content/uploads/2013/01/phfortdiagram.jpg Pickett-Hamilton Fort in elevated position at Silloth Airfield, Cumbria. Photograph by John Minns