# SAM #FA9422-27-D-0001
WS3 AC&D Subsystem Engineering and Sustainment Services
**Buyer:** AFNWC Strategic Systems
**Posted:** October 05, 2026
**Respond By:** November 04, 2026
**Identifier:** FA9422-27-D-0001
**NAICS:** 334290, 541330, 541512, 541614, 541519
The Air Force Nuclear Weapons Center is seeking sustainment support for the U.S. Air Force’s WS3 Alarm Communications & Display subsystem.
- **Government buyer:** United States Air Force, Air Force Nuclear Weapons Center (AFNWC), office AFNWC/NDKK; points of contact are Margaret Peterson and Chad Miller.
- **OEM and proprietary system holder:** **LDIA Holdings, LLC (DBA Prometheus Security Group Global)**, identified as the OEM and proprietary data holder for VICADS and LINX Predator Elite (LPE).
- **Requested services:** Integrated program management, engineering, technical, logistics, and cybersecurity support for the Weapon Storage and Security System (WS3) Alarm Communications & Display (AC&D) subsystem.
- Includes routine and emergency support, on-site and virtual; hardware/software configuration; integration testing; software-baseline sustainment; technical-data development; obsolescence and supply-chain resiliency analysis; modernization; relocation or reconfiguration; and training for operators, maintainers, and system administrators.
- **Notable requirement:** Respondents need verified access to proprietary system components and technical data. A sole-source award to the identified OEM is contemplated.
- **Quantities and part numbers:** None specified; this is a services requirement.
- **Estimated ceiling and performance:** Anticipated ordering period is 10 years, with an estimated ceiling below $50 million. This is not identified as an annual subscription.
### Description
This notice constitutes a combined Sources Sought and Presolicitation Notice.
The Air Force Nuclear Weapons Center (AFNWC) requires engineering, logistics, and programmatic sustainment for the Weapon Storage and Security System (WS3) Alarm Communications & Display (AC&D) systems. Because this architecture relies on proprietary systems, any interested, qualified respondents must possess verified access to proprietary components and technical data.
Please see attached notice for more information.
[View original listing](https://sam.gov/opp/5e1b298e388e48b6b7627d79b53e34ca/view)