Unmanned maritime systems engineering services
Active Indefinite Delivery Contract Awarded Last action
- Contract number
- N6600126D0057
- Awardee
-
HII Mission Technologies Corp UEI G5H7HWC4L2R5 Part of Huntington Ingalls Industries, Inc.
- Awarding agency
-
Naval Information Warfare Systems Command
Department of the Navy, Department of Defense
- Task orders
- 1 $5,000 obligated
Award facts
- Opportunity
-
- Unmanned Maritime Systems Support (UMSS) Solicitation · N6600126R0018 · Posted Nov 5, 2025
- Combined order value
- $5,000 Current and potential, with all options
- Last date to order 6% complete
- IDV ceiling <1% used
- $698,785,468.00
- Maximum order
- $349,393,234.00
- Award type
- Multiple award
- Who can order
- Only the awarding agency
- Contracting staff
- NAICS code
- 541330 Engineering Services
- Set-aside
- No set-aside
- Competition
- Full and Open Competition · 21 offers Negotiated Proposal / Quote
- Pricing
- Cost Plus Fixed Fee
- Legislative mandates
-
- Service Contract Act FAR subpart 22.10
Award details come from SAM.gov/FPDS.
About this IDV
Naval Information Warfare Systems Command awarded a multiple-award Indefinite Delivery Contract to HII Mission Technologies Corp on May 11, 2026, for unmanned maritime systems engineering services, with a ceiling of $698,785,468 and an ultimate completion date of May 11, 2034.
The contract covers specification, design, fabrication, development, integration, assembly, installation, testing, evaluation, fielding, operations, maintenance, training, logistics, and program management for unmanned maritime systems supporting U.S. Navy missions across multiple mission areas including explosive ordnance disposal, mine countermeasures, force protection, intelligence/surveillance/reconnaissance, mine warfare, anti-submarine warfare, and specialized undersea and surface applications. Work involves varying security classifications from Unclassified through Top Secret/Sensitive Compartmented Information.
The originating solicitation (RFP N6600126R0018) was posted November 5, 2025, with a proposal due date of December 11, 2025, and is classified under NAICS Code 541330 (Engineering Services). The procurement results in multiple IDIQ contracts using cost-plus-fixed-fee and cost (no fee) pricing arrangements with orders placed pursuant to FAR 16.505(a) procedures. This is a follow-on requirement to existing contracts, with multiple incumbents eligible for continuation awards. The eight-year ordering period and full-and-open competition structure position this vehicle as a multi-vendor platform for Navy unmanned systems development and sustainment work.
Task orders
| Task order | Ordering agency | Obligated | Awarded |
|---|---|---|---|
| Umss minimum guarantee | Naval Information Warfare Systems Command (Navy) | $5,000 |
Quick answers
Who was awarded contract N6600126D0057?
N6600126D0057 was awarded to HII Mission Technologies Corp by Naval Information Warfare Systems Command (Department of the Navy) on May 11, 2026.
How much is contract N6600126D0057 worth?
Orders under N6600126D0057 have obligated $5,000. N6600126D0057's own ceiling is $698,785,468. A single order can be worth up to $349,393,234.
How many orders have been placed under contract N6600126D0057?
1 order has been placed under N6600126D0057, the latest on June 11, 2026.
Who can order from contract N6600126D0057?
N6600126D0057 is a multiple award indefinite delivery contract. Only the awarding agency can place orders on it.
Was contract N6600126D0057 competed?
The extent of competition for N6600126D0057 was full and open competition. The government received 21 offers.
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