AwardTape / Contracts / N00421-25-D-0302
N00421-25-D-0302: Department of the Navy Award to STS Systems Defense LLC
F-5 and F-16 avionics integration and installation idiq.. Contracting activity: NAVAL AIR WARFARE CENTER AIR DIV.
$58.8M cumulative ceiling / COMPETITION NOT STATED IDIQ / N00421 NAVAL AIR WARFARE CENTER AIR DIV
1. Contract Summary & Primary Sources
| Contract Number (PIID) | N00421-25-D-0302 (unhyphenated: N0042125D0302) |
|---|---|
| Prime Contractor (Awardee) |
STS Systems Defense LLC
FY2024-FY2026 Federal Defense Portfolio: $101.8M obligated across 37 contracts
|
| Obligated Amount | Order-Dependent / TBD |
| Cumulative Face Value / Ceiling | USAspending Base IDV Ceiling: $58,819,066 |
| USAspending / FPDS Obligation History | Base Record Obligated: $0 (signed 2025-04-30, latest FPDS action 2026-04-21) · 6 Issued Delivery/Task Order(s) totaling $5,675,687 |
| Awarding Branch / Agency | Department of the Navy |
| Contracting Command & DoDAAC | N00421: NAVAL AIR WARFARE CENTER AIR DIV |
| Competition & Contract Structure | COMPETITION NOT STATED · Indefinite Delivery Contract (IDIQ) / Firm-Fixed-Price (FFP) |
| Product / Service & Industry Codes | PSC K016 (Modification Of Equipment- Aircraft Components And Accessories) · NAICS 541330 (Engineering Services) |
| Work Locations & Funding | Determined at the contract or task-order level |
| Estimated Completion Date | See order schedule |
| Verified Primary Sources |
2. Verbatim Announcement & Scope Breakdown
USAspending / FPDS Transaction Description (Contract N0042125D0302)
F-5 and F-16 avionics integration and installation idiq.
3. Subcontractor, Supply Chain & Capture Intelligence
For Tier-2 / Tier-3 Subcontractors & Suppliers
Subcontracting & Material Supply Window
- Prime Awardee: STS Systems Defense LLC
- Delivery Runway: Active through multi-year ordering period
- Requirement Scope: F-5 and F-16 avionics integration and installation idiq.
- Federal Supply Class: PSC K016 (Modification Of Equipment- Aircraft Components And Accessories)
- BD Action: Reference Prime Contract N00421-25-D-0302 when contacting STS Systems Defense LLC Supply Chain / Small Business Liaison Officer.
For Competing Primes & Capture Managers
Buying Command & Recompete Posture
- Buying Command: N00421 (NAVAL AIR WARFARE CENTER AIR DIV)
- Acquisition Method: COMPETITION NOT STATED
- FOIA Jurisdiction: Department of the Navy FOIA (route via DON portal) (Official Portal)
- Capture Action: Request Section B CLIN ceiling structure and Section C Statement of Work below to benchmark deliverable requirements.
Issued Task & Delivery Orders under N00421-25-D-0302 (6 shown, $5.7M obligated)
| Order PIID | Obligated | Awardee | Start / Latest Action | End Date | Order Scope |
|---|---|---|---|---|---|
| N0042125F0848 | $2.5M | STS Systems Defense LLC | 2025-08-27 / 2026-02-20 | 2026-04-27 | Cft task order 3 material harvesting |
| N0042125F0699 | $1.6M | STS Systems Defense LLC | 2025-08-04 / 2026-06-03 | 2026-09-27 | Procurement and supply support |
| N0042125F0192 | $1.1M | STS Systems Defense LLC | 2025-09-04 / 2026-06-04 | 2026-09-03 | Cft F-16 and f-5 aircraft support |
| N0042125F0697 | $402K | STS Systems Defense LLC | 2025-07-28 / 2025-09-23 | 2025-09-27 | Procurement and supply support |
| N0042126F0339 | $74K | STS Systems Defense LLC | 2026-01-22 / 2026-06-03 | 2027-02-01 | Funding in support of clin 0002 |
| N0042126F0387 | $43K | STS Systems Defense LLC | 2026-01-27 / 2026-06-03 | 2027-02-01 | F-16c rednet validation on 87 series |
Tier-2 Subcontract Reporting Status (FAR 52.204-10): Prime contractors report first-tier subcontracts of $30,000 or more to the Federal Subaward Reporting System (FSRS) by the end of the month following subcontract award. Under DFARS 252.219-7003, prime awards exceeding $750,000 ($1.5M for construction) carry mandatory small-business subcontracting plans. Component and subsystem suppliers should contact STS Systems Defense LLC Supply Chain / Small Business Liaison referencing contract N00421-25-D-0302.
Recent Contract Actions from Buying Office N00421 (NAVAL AIR WARFARE CENTER AIR DIV)
| Date | Contract (PIID) | Prime Contractor | Amount | Completion | Scope Summary |
|---|---|---|---|---|---|
| 2026-09-30 | N00421-25-D-0086 | Fortress Government Solutions | $318.8M | - | Fortress Government Solutions gets $318.8M modification for a $318,811,963 modification (P00005) to previously awarded firm-fixed-price. Nav... |
| 2026-09-28 | N00421-26-C-1011 | Technology Service | $39.6M | - | Technology Service wins $39.6M contract for three pre-owned, extended range, King Air 350 Maritime Domain Awareness aircraft. Naval Air Warf... |
| 2026-09-24 | N00421-25-F-0572 | Mercury Systems | $15.3M | Dec 31, 2026 | Mercury Systems gets $15.3M modification for a $15,315,575 cost-plus-fixed-fee modification (P00007). Naval Air Warfare Center Aircraft Divi... |
| 2026-09-21 | N00421-24-F-0184 | Dayton T. Brown | $55.8M | Mar 24, 2027 | Dayton T. Brown gets $55.8M modification for a $55,838,189 modification (P00029) to an order (N0042124F0184) against basic ordering. Naval A... |
| 2026-09-09 | N00421-23-D-0012 | Amentum Services | $10.2M | - | Amentum Services gets $10.2M modification for a $10,192,466 modification (P00016) to a previously awarded. Naval Air Warfare Center Aircraft... |
| 2026-09-08 | N00421-26-D-1004 | Aviation Systems Engineering | $288.8M | - | Aviation Systems Engineering wins $288.8M contract for naval air platforms to include engineering, management, technical labor. Naval Air Wa... |
| 2026-08-31 | N00421-25-C-1001 | KBR Wyle Services | $25.2M | Feb 28, 2031 | KBR Wyle Services gets $25.2M modification for an option to provide continued program management, engineering, financial. Naval Air Systems ... |
| 2026-08-26 | N00421-25-F-3003 | Global Technology and Management Resources | $32.8M | Sep 21, 2030 | Global Technology and Management Resources gets $32.8M modification for scope for technical and programmatic efforts to support PMA-290 Spec... |
Other Recent Department of War Awards to STS Systems Defense LLC
| Date | Contract (PIID) | Branch | Amount | Completion | Scope Summary |
|---|---|---|---|---|---|
| 2025-09-18 | FA8228-25-C-0005 | Air Force | $21.6M | Apr 26, 2027 | STS Systems Defense wins $21.6M contract for building of two new paint booths and associated equipment used for the F-35 aircraft. Air Force... |
4. Underlying Contract Files (Section B Pricing & Section C Statement of Work)
Document Status: Not yet on file. The government publishes the award notice and obligation record above, but does not post the underlying Section C Statement of Work (SOW), Section B line-item pricing schedule (CLINs), or Sole-Source Justification & Approval (J&A) online.
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Pre-Filled FOIA Request Letter for N00421-25-D-0302
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