The Department of Defense, through the Naval Surface Warfare Center, Indian Head Division (NSWC IHD), is seeking sources for engineering and technical support services related to Counter-small Unmanned Aircraft Systems (C-sUAS) and Pentagon air security systems. The procurement encompasses a range of activities including the procurement, installation, integration, testing, tuning, fielding, training, upgrading, optimizing, and sustaining of C-sUAS and air security systems, along with the management of Original Equipment Manufacturers (OEMs). This initiative is critical for enhancing the security capabilities at the Pentagon, with specific system details classified at the SECRET level. Interested parties must submit their capabilities and organizational information to Sara Cooper at sara.j.cooper4.civ@us.navy.mil by 3:00 PM EST on January 23, 2025, with submissions not exceeding 2 MB in size.