Constitution Island Fortifications
- Roman's Battery
- Marine Battery
- Gravel Hill/Greaton's Battery
- Hill Cliff Battery
- Redoubt 5
- Redoubt 6
- Redoubt 7
The marsh separating Constitution Island from the east bank of the Hudson was not the most imposing natural barrier in the West Point area, but it did constitute a significant obstacle to an enemy assault, particularly when covered from above by fire from Redoubts 5 and 6.
