The Department of Defense, specifically the Department of the Army, has announced a presolicitation for a sole source contract regarding the Persistent Surveillance Dissemination System of Systems (PSDS2). This procurement aims to secure engineering services that are critical for the development and implementation of advanced surveillance systems. The PSDS2 is vital for enhancing situational awareness and operational effectiveness in military operations. Interested parties can reach out to Tian Chen at tian.chen3.civ@army.mil for further details, with the work expected to take place at Aberdeen Proving Ground in Maryland.