Indefinite Delivery Contract HQ085926DF542

The Missile Defense Agency (MDA) awarded a multiple-award Indefinite Delivery/Indefinite Quantity (IDIQ) contract to Sixgen Inc. on December 29, 2025, under the Scalable Homeland Innovative Enterprise Layered Defense (SHIELD) program with a $151 billion ceiling value and performance period extending through December 28, 2035. This full and open competition contract, with no small business set-aside, was issued to support the nation's multi-layered defense requirements against air, missile, space, cyber, and hybrid threats. The contract encompasses research and development, prototyping, systems engineering, weapon design, production, test and evaluation, cybersecurity, and modernization efforts across multiple security classification levels. Sixgen Inc., a cybersecurity-focused small business headquartered in Annapolis, Maryland, will deliver comprehensive materials, labor, equipment, and facilities necessary to support MDA's advanced defense system development and deployment initiatives, with qualified offerors anticipated to receive multiple task orders under the IDIQ structure utilizing various contract types and pricing mechanisms.

The initial delivery order issued to Sixgen Inc. under this contract vehicle, valued at five hundred dollars, establishes the SHIELD Initial Order with a firm fixed price arrangement and performance location in Huntsville, Alabama, through December 28, 2035. This IDIQ contract represents a significant long-term investment in developing integrated, multi-domain defense capabilities leveraging advanced technologies including artificial intelligence, machine learning, digital engineering, and open systems architectures. The contract structure enables MDA and other Department of Defense entities to rapidly issue orders under a flexible contracting mechanism, supporting both classified and unclassified programs across multiple security domains and functional areas including management, technical and engineering services, research and development, and intelligence services.