SSN-571 USS Nautilus Submarine Wood Model Replica XL. USS Nautilus SSN-571 Submarine Wood Model Replica. Another Great Addition to your Collections! Meticulously Hand-Made by our Master Craftsmen, using environment-friendly and sustainably harvested Philippine Mahogany Wood to create model Airplanes, Spacecrafts, Ships and any other imaginable Transportation in mind, Sky’s the limit! Length in inches: 17.