The file is Amendment 3 to Solicitation HHM40225R0017 for Tech South Support Services (TS3), issued by the Defense Intelligence Agency. The solicitation seeks technical support services across three mission areas: Effect-Based Technology Development, Advanced Capability Development, and Technology Evaluation. These services will involve projects spanning terrestrial, maritime, and airborne domains, with technologies ranging from manned/unmanned systems to standalone or integrated platforms. Specific domain details include terrestrial technologies that can be stationary or mobile, maritime technologies from 2-120' in size, and airborne technologies limited to small to medium unmanned systems weighing 10-450 lbs max take-off weight. The amendment maintains consistent language from previous versions, suggesting no substantial changes to the core solicitation requirements.