View the upgrades in action!: 

• Torpedo shutters and bow planes, front view

• Side view of the shutters and bow planes along with navigation lights in the sail

• Rear control and propulsion

This file package includes many upgrades that were drafted by Bill DiMartino to go with the superb USS Nautilus SSN571 file set also offered here on the Nautilus Drydocks:  https://www.rc-submarine.com/product-page/uss-nautilus-ssn571-stl-file-package

File package includes: 

• Accessories and Misc

  • hollow masts

  • tie down parts 

  • modified rudders

  • full deck pieces

  • hull joiners

  • modified dive planes

• Full functional bow plane retract mechanism

• Full functional torpedo shutters

• Modified hull and WTC support hardware

• Improved stern access alternative parts

• Improved sail with nave lights and flag post