NSGL Industry Day RFI Mod 4.docx

This is a modification to a Request for Information (RFI) that updates submission requirements for a Department of the Navy real estate development opportunity at Naval Station Great Lakes (NSGL) in Illinois.

The modification updates the RFI response due date from 19 February 2026 to 22 April 2026 at 2:00 PM EDT. Responses must be submitted via email to derek.a.crute2.civ@us.navy.mil with the subject line "Response to NSGL RFI." Submissions are limited to 10 pages with a maximum file size of 5MB. All costs associated with RFI responses are the sole responsibility of the responder and will not be reimbursed by the Department of the Navy. All submissions become Government property and will not be returned. Proprietary information must be clearly marked; the DON will not release or publicly use responses designated as proprietary. The underlying RFI seeks industry interest in long-term partnership opportunities to develop, redevelop, or repurpose multiple parcels at NSGL through real estate agreements with the DON in exchange for infrastructure and improvements (IKC). The Government will use RFI responses to evaluate potential property uses and determine whether to release a formal Request for Proposals.