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) for Cyberspace Test Technology (CTT) Prototype Projects. This opportunity aims to advance research and development in the physical, engineering, and life sciences sectors, focusing on innovative technologies that enhance military readiness and capabilities in cyberspace. The selected projects will contribute to national defense by providing applied research services that address critical technological gaps. Interested parties should prepare their proposals in accordance with the guidelines outlined in the Special Notice, with further details available from the office of W6QK ACC-ORLANDO.