# SAM #N00019-25-RFPREQ-WPM262-0290
Award for MQ-4C Triton End-of-Life Parts and Sustainment Support
**Buyer:** Naval Air Systems Command
**Posted:** September 29, 2026
**Identifier:** N00019-25-RFPREQ-WPM262-0290
**NAICS:** 336414, 336419, 334511, 336413, 336411
The Navy award supports end-of-life parts procurement and broader sustainment of the MQ-4C Triton unmanned aircraft system.
- Government buyer: Department of the Navy, Naval Air Systems Command (NAVAIR) Headquarters, Program Executive Officer for Unmanned Aviation and Strike Weapons.
- Awardee and OEM: **Northrop Grumman Systems Corporation (NGSC)**, identified as the sole designer and manufacturer of the MQ-4C Triton.
- Procurement scope: A sole-source delivery order for last-time-buy hardware to address Diminishing Manufacturing Sources and Material Shortages (DMSMS), supporting the U.S. Navy and the Royal Australian Air Force. The related ordering authority also encompasses MQ-4C development, production support, upgrades, integration, and sustainment.
- Major requested items and services include DMSMS hardware, engineering and software support, operational and safety improvements, flight testing, cybersecurity, airworthiness, production kits, and integration of new capabilities. No specific part numbers or quantities are provided.
- Notable requirements: Northrop Grumman’s proprietary knowledge and the absence of a current technical data package for competition support the sole-source approach. Developing an alternative source could take up to eight years.
### Description
The Naval Air Systems Command (NAVAIR), Patuxent River, MD, has awarded a Firm Fixed Price (FFP) Delivery Order, N00019-25-G-0003 N00019-26-F-1006, to Northrop Grumman Systems Corporation, San Diego, CA, on a sole source basis. This delivery order procured hardware with known Life of Time Buy (LTB) dates to address Diminishing Manufacturing Sources (DMS) within the MQ-4C Triton Unmanned Aircraft Systems (UAS) for the Navy and the Royal Australian Air Force (RAAF).
This delivery order was awarded on a sole source basis under the statutory authority of 10 U.S.C. 3204(a)(1) and FAR 6.103-1, "Only One Responsible Source and No Other Type of Supplies or Services will Satisfy Agency Requirements". NGSC is the sole designer, developer, manufacturer, and integrator of the MQ-4C Triton UAS and is the only responsible source possessing the engineering data; technical skills; and requisite knowledge of the design, fabrication, performance, and operational characteristics of the MQ-4C UAS required to perform the necessary follow-on production efforts within the required timeframes and without substantial duplication of costs.
[View original listing](https://sam.gov/opp/13bf3749b89443548fb4c9fcc739ff49/view)