The Department of Defense, through the Army Contracting Command at Redstone Arsenal, is conducting market research to identify potential sources for a contract related to Command and Control (C2) Engineering and Support, specifically for Air Defense and Counter-Unmanned Aerial Systems (C-UAS) integration into NATO architecture for Eastern European nations. The anticipated contract, set to be awarded in September 2025, will require software engineering, field support, technical assistance, and interoperability testing, funded by Fiscal Year 2024 European Command Building Partner Capacity funds. Interested parties must meet security clearance requirements and demonstrate compliance with specific cybersecurity standards, with responses due by April 25, 2025. For further inquiries, companies can contact Wendy J. Flournoy at wendy.j.flournoy.civ@army.mil or Leigh Kellstrom at leigh.t.kellstrom.civ@army.mil.