Posted in Instagram The Shipboard Electronics Systems Evaluation Facility, also known as Building 4000, was part of the Charleston Naval Shipyard Author: chris Published Date: December 11, 2018 Leave a Comment on The Shipboard Electronics Systems Evaluation Facility, also known as Building 4000, was part of the Charleston Naval Shipyard Instagram filter used: Normal Photo taken at: Sullivans Island View in Instagram ⇒ Author: chris