Arms Sales Notification — Republic of Korea ($200 million): None
Key claim: The United States notified Congress of a proposed $200 million Foreign Military Sale to the Republic of Korea of ARC-210 RT-2036© secure radios, KY-100M communication security devices, and related support for multiple aircraft platforms.
Abstract
(Notice · Defense Department) The DoW is publishing the unclassified text of an arms sales notification.
AGENCY: Defense Security Cooperation Agency, Department of Defense (DoD). ACTION: Arms sales notice.
SUMMARY: The DoW is publishing the unclassified text of an arms sales notification. FOR FURTHER INFORMATION CONTACT: Urooj Zahra at (703) 695-6233, [email protected] , or [email protected] . SUPPLEMENTARY INFORMATION: This 36(b) arms sales notification is published to fulfill the requirements of section 155 of Public Law 104- 164 dated July 21, 1996. The following is a copy of the attached Transmittal 26-29, Policy Justification, and Sensitivity of Technology. Dated: May 4, 2026. Stephanie J. Bost, Alternate OSD Federal Register Liaison Officer, Department of Defense. DEPARTMENT OF STATE TRANSMITTAL No. RSAT 26-29 Notice of Proposed Issuance of Letter of Offer Pursuant to Section 36(b)(1) of the Arms Export Control Act, as amended (i) (U) Prospective Purchaser: Republic of Korea (ii) (U) Total Estimated Value: Major Defense Equipment *… $ 0 million Other… $200 million
TOTAL… $200 million Funding Source: National Funds (iii) (U) Description and Quantity or Quantities of Articles or Services under Consideration for Purchase: Major Defense Equipment (MDE): None Non-MDE: The following non-MDE items will be included: ARC-210 RT-2036 © secure radios and ancillary material for F-15K and KC-330 aircraft; KY- 100M communication security devices and associated ancillary materials, platform design, integration, and installation efforts for AW-159, MC- 130K, CH-47NE, UH-60, CN-235-100M, CN-235-220M, CH-47, TA-50, TA-50 BLK 2, FA-50, and KA-1 aircraft; repair and return support; publications; training; and other related elements of logistics and program support. (iv) (U) Military Department: Navy (KS-P-BZB) (v) (U) Prior Related Cases, if any: None (vi) (U) Sales Commission, Fee, etc., Paid, Offered, or Agreed to be Paid: None known at this time (vii) (U) Sensitivity of Technology Contained in the Defense Article or Defense Services Proposed to be Sold: See Attached Annex (viii) (U) Date Report Delivered to Congress: March 24, 2026
- as defined in Section 47(6) of the Arms Export Control Act. POLICY JUSTIFICATION (U) Korea–ARC-210 RT-2036© Secure Radios and KY-100M Communication Security Devices (U) The Republic of Korea has requested to buy ARC-210 RT-2036 © secure radios and ancil
Why this matters
Secure radio and COMSEC transfers deepen US-ROK interoperability across multiple aircraft platforms, reinforcing combined command-and-control amid North Korean and regional threats. Though mid-sized, the sale continues a steady 2026 cadence of FMS cases to Seoul spanning radars, helicopters, munitions, and now communications.