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, with a contract ceiling of $698,785,468 for unmanned maritime systems engineering services, completion by May 11, 2034.
The solicitation, posted November 5, 2025, and closed December 11, 2025, seeks comprehensive engineering services encompassing 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. Scope covers both current systems and future waterborne and underwater technologies across 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 vehicle is designated NAICS Code 541330 (Engineering Services) and uses cost-plus-fixed-fee and cost (no fee) pricing under FAR 16.505(a) ordering procedures. This is a follow-on to existing contracts N6600121D0132 through 0140.
Performance is conducted globally in support of Navy operations. Orders are placed by Naval Information Warfare Center Pacific and related NAVWAR organizations.
As of June 11, 2026, Naval Information Warfare Systems Command issued a $5,000 delivery order under the UMSS Minimum Guarantee vehicle with place of performance in San Diego, California, extending through May 10, 2034, using cost-plus-fixed-fee pricing.
Task orders
| Task order | Ordering agency | Obligated | Awarded |
|---|---|---|---|
| Umss minimum guarantee | Naval Information Warfare Systems Command (Navy) | $5,000 |
Transactions
| Action | Obligated | Date |
|---|---|---|
| Other Administrative Action | $0 | |
| Original award | $0 |
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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