The USACE - Louisville District intends to award a sole source out-of-scope contract modification to Korte-River City JV for constructing a new Command Suite compliant with secure space ICD 705 requirements within Building 1600 at Scott AFB, IL. This modification is out-of-scope because it involves additional work not originally included in the base contract. Responses must be emailed to the Government point of contact by 4:30 PM Eastern Time on 27 May 2026 to be considered. No budget amount is specified. The location for performance is Scott AFB, Illinois.