The Department of Defense, specifically the NAVSUP Fleet Logistics Center Norfolk, intends to award a Sole Source Firm Fixed Price Contract to Vine Leadership Group LLC for professional and management development training services. This procurement is being conducted in accordance with FAR 6.302-1, which allows for sole source contracts under specific circumstances, indicating that the services provided by Vine Leadership Group LLC are deemed unique and necessary for the Government's needs. Interested parties are invited to challenge this sole source determination by providing sufficient information to demonstrate that an equivalent service exists, with challenges to be submitted in writing to Nichole Stevens at nichole.stevens@navy.mil. This notice serves as a special announcement and is not a request for proposals or quotations.