# Federal Register #2026-21339

Proposed Netherlands sale of AIM-9X missiles and related support

**Posted:** October 19, 2026
**Identifier:** 2026-21339
**NAICS:** 336414, 336419, 336415

This Defense Department notice describes a proposed U.S. arms sale to the Government of the Netherlands.
- **Government buyer and agencies**
  - Buyer: Government of the Netherlands.
  - U.S. agencies: Department of Defense, through the Defense Security Cooperation Agency; the Navy is the implementing agency.
- **Requested products**
  - Up to 392 AIM-9X Sidewinder Block II Tactical Missiles (part number stated as AIM-9X Sidewinder Block II).
  - Earlier-notified items remain part of the overall package: 95 AIM-9X Block II Tactical Missiles, 43 AIM-9X Block II+ Tactical Missiles, and 1 AIM-9X Block II+ Tactical Guidance Unit.
  - Additional containers are included; quantity and type are not specified.
- **Related services and support**
  - Classified and unclassified software, transportation, technical assistance from the U.S. Government and contractors, and logistical and program support.
- **Value and notable requirements**
  - The added items are estimated at $295 million; the revised total case value is $412 million.
  - The package is intended to support Netherlands air defense and interoperability with the United States and NATO. The highest stated classification level is SECRET.
  - No commercial OEM or vendor is identified in the notice.

### Description

The Department of Defense is publishing the unclassified text of an arms sales notification concerning a possible sale to the Government of the Netherlands. The notification covers up to 392 AIM-9X Sidewinder Block II Tactical Missiles, along with additional containers, software, transportation, technical assistance, and related logistical and program support. The estimated total case value after the additions is $412 million. The notice states that the proposed articles and services will support Netherlands air defense and interoperability with the United States and other NATO members.

[View original listing](https://www.federalregister.gov/documents/2026/10/19/2026-21339/arms-sales-notification)