The contractor shall provide all necessary materials, labor, equipment and facilities incidental to the performance of this requirement in accordance with the terms of the order.
Active Awarded Last action
- Contract number
- HQ085926DF061
- Awardee
-
Castalia Systems LLC UEI MNPRJQED9SQ9
- Awarding agency
-
Missile Defense Agency
Department of Defense
- Task orders
- 1 $500 obligated
Award facts
- Opportunity
-
- Missile Defense Agency (MDA) SHIELD Multiple Award IDIQ Contract Pre-Solicitation · HQ085925RE001 · Posted May 21, 2025
- Combined order value
- $500 Current and potential, with all options
- Last date to order 8% complete
- IDV ceiling <1% used
- $151,000,000,000.00
- Maximum order
- $151,000,000,000.00
- Award type
- Multiple award
- Who can order
- Defense agencies
- Contracting staff
- NAICS code
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- Set-aside
- No set-aside
- Competition
- Full and Open Competition Negotiated Proposal / Quote
- Pricing
- Firm Fixed Price
- Legislative mandates
-
- Walsh-Healey Public Contracts Act FAR subpart 22.6
- Service Contract Act FAR subpart 22.10
- Employment Eligibility Verification (E-Verify) FAR subpart 22.18
Award details come from SAM.gov/FPDS.
About this IDV
The Missile Defense Agency awarded a multiple-award indefinite-delivery contract to Castalia Systems LLC on December 29, 2025, with a $151 billion ceiling and an ultimate completion date of December 28, 2035. Castalia Systems LLC is an SBA-certified economically disadvantaged women-owned small business.
The contract, titled Scalable Homeland Innovative Enterprise Layered Defense (SHIELD), procures an advanced, multi-domain defense system capable of detecting, tracking, intercepting, and neutralizing threats to the United States homeland, deployed forces, allies, and friends. Work encompasses research and development, prototyping, disruptive technologies, systems engineering, weapon design, production, test and evaluation, cybersecurity, and modernization efforts against air, missile, space, cyber, and hybrid threats across all phases of flight from ballistic, hypersonic, and cruise missiles.
Place of performance is Huntsville, Alabama. The contract structure supports both classified and unclassified programs across multiple security domains, leveraging artificial intelligence, machine learning, digital engineering, and open systems architectures. Individual task and delivery orders will utilize various contract types and NAICS codes, with orders potentially issued at different classification levels requiring appropriate facility clearances.
Under FAR 15.304(c)(1)(ii), the government intends to award to all qualifying offerors determined to be responsible sources with technically acceptable proposals and fair and reasonable pricing. This is a full and open competition with no set-aside designations. The base ordering period plus one or more optional ordering periods extend through December 2035. A delivery order for Scalable Homeland Innovative Enterprise Layered Defense (SHIELD) Initial Order was issued on the same date with a $500 firm fixed-price ceiling.
Task orders
| Task order | Ordering agency | Obligated | Awarded |
|---|---|---|---|
| Scalable homeland innovative enterprise layered defense (shield) initial order. | Missile Defense Agency | $500 |
Transactions
| Action | Obligated | Date |
|---|---|---|
| Supplemental Agreement for work within scope | $0 | |
| Original award | $0 |
Quick answers
Who was awarded contract HQ085926DF061?
HQ085926DF061 was awarded to Castalia Systems LLC by Missile Defense Agency (Department of Defense) on December 29, 2025.
How much is contract HQ085926DF061 worth?
Orders under HQ085926DF061 have obligated $500. HQ085926DF061's own ceiling is $151,000,000,000. A single order can be worth up to $151,000,000,000.
How many orders have been placed under contract HQ085926DF061?
1 order has been placed under HQ085926DF061, the latest on December 29, 2025.
Who can order from contract HQ085926DF061?
HQ085926DF061 is a multiple award indefinite delivery contract. Defense agencies can place orders on it.
Is contract HQ085926DF061 part of a contract vehicle?
Yes. HQ085926DF061 is part of Scalable Homeland Innovative Enterprise Layered Defense (SHIELD).
Was contract HQ085926DF061 competed?
The extent of competition for HQ085926DF061 was full and open competition.
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