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landmarks at Saugatuck, United States
Saugatuck Gap Filler Radar Annex
wikipedia
![21 07-05 JK 1531 Aerial view of annex grounds 900x675](data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 450 280"%3E%3C/svg%3E "Aerial view of Saugatuck Gap Filler Annex, a decommissioned SAGE installation in Saugatuck, MI")
