Indefinite Delivery Contract HQ085926DE866

Castelion Corporation was awarded a multiple-award Indefinite Delivery Indefinite Quantity contract by the Missile Defense Agency valued at $151 billion with a period of performance through December 28, 2035. The Scalable Homeland Innovative Enterprise Layered Defense (SHIELD) contract represents a comprehensive, full and open competition procurement with no set-asides designated, structured to enable rapid issuance of task and delivery orders across multiple work areas. The contract vehicle supports research and development, prototyping, disruptive technologies, systems engineering, weapon design, production, test and evaluation, cybersecurity, and modernization efforts for an advanced, multi-domain defense system. The underlying scope encompasses detecting, tracking, intercepting, and neutralizing threats to the United States homeland, deployed forces, allies, and friends across air, missile, space, cyber, and hybrid threat domains, with capability against ballistic, hypersonic, and cruise missile threats across all phases of flight.

The initial task order issued under this IDIQ contract on December 29, 2025, is valued at five hundred dollars with a firm fixed-price arrangement and performance location in Huntsville, Alabama. The SHIELD contracting vehicle is designed as a flexible, enterprise-wide mechanism enabling the Missile Defense Agency and other Department of Defense entities to leverage advanced technologies including artificial intelligence, machine learning, digital engineering, and open systems architectures. The contract structure supports both classified and unclassified programs across multiple security domains, with individual task orders potentially utilizing various contract types across multiple North American Industry Classification System codes and requiring appropriate facility clearances commensurate with classification levels. This ten-year procurement represents a strategic long-term investment positioning qualified contractors to rapidly respond to multi-layered homeland defense requirements and emerging national defense technology needs.