The Department of Defense, through the U.S. Army Engineer Research and Development Center (ERDC), is soliciting proposals for the GSL Support Services Contract, aimed at providing essential support services for the Geotechnical and Structures Laboratory (GSL) located in Vicksburg, Mississippi. The contract, which will be awarded as an Indefinite Delivery Indefinite Quantity (IDIQ) with a five-year ordering period, seeks contractors to assist in research, development, testing, and evaluation tasks that support Army and DOD missions across various technical areas, including pavements, materials, and explosive effects. With a total contract value of up to $20 million, the procurement is set aside for Historically Underutilized Business (HUBZone) firms, emphasizing the importance of compliance with safety and performance standards. Interested parties must submit their proposals by 12:00 PM on May 14, 2025, and can direct inquiries to Janalyn Dement or Christy Love via their respective emails.