The Department of Defense, through the Mission and Installation Contracting Command at Dugway Proving Ground, intends to issue a sole source modification to increase the contract ceiling for Contract W91151-21-C-0006 with Jacobs Technologies, Inc. This modification will support non-personal services related to the planning, conducting, evaluating, and reporting on developmental and operational tests, specifically focusing on Tactics, Techniques, and Procedures (TTP) development and training for Chemical and Biological defense systems. The services are critical for assessing the military value of various defense systems and operational concepts, ensuring the effectiveness of military operations. Interested parties may submit a statement of capability by 4:00 PM local time on October 14, 2024, with all communications directed to Contract Specialist Mark Pratt at mark.s.pratt4.civ@army.mil or by phone at 435-831-2094.