The Department of Defense intends to award a sole source contract extension for Mission Support Services (MSS) to Southwest Range Services LLC, providing analytical and engineering support at the White Sands Missile Range (WSMR) in New Mexico. This extension, lasting up to 18 months, is necessary due to unforeseen delays in the follow-on contract and will facilitate the planning, logistics, operation, maintenance, research, and development of systems and facilities critical to WSMR's Test and Evaluation mission. The total estimated value of the contract, including options, is less than $100 million, with the performance period commencing on March 1, 2025, and concluding by February 28, 2026. Interested parties may submit capability statements or proposals by email to the designated contacts by 11:00 AM Mountain Time on March 29, 2024.