The Department of Defense, specifically the Department of the Army, is seeking solutions through the Training and Readiness Accelerator (TReX II) Other Transaction Agreement (OTA) Request for Solutions (RFS): TReXll-25-02 RED-077/078/079, focusing on Command, Control, Communications, Computers, and Intelligence (C4I) and Software Intensive Systems Test (C4T). The objective of this procurement is to enhance capabilities in research and development related to national defense, particularly in military applications and applied research. The services sought are critical for advancing the effectiveness and efficiency of defense operations, ensuring that military systems are adequately tested and ready for deployment. Interested parties should note that the NAICS code for this opportunity is 541715, and further inquiries can be directed to the office of W6QK ACC-ORLANDO for additional details.