# Arms Sales Notification
**AGENCY:**
Defense Security Cooperation Agency, Department of Defense (DoD).
**ACTION:**
Arms sales notice.
**SUMMARY:**
The DoD 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)(1) 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 a letter to the Speaker of the House of Representatives with attached Transmittal 24-57 and Policy Justification.
Dated: December 10, 2025.
Stephanie J. Bost,
Alternate OSD Federal Register Liaison Officer, Department of Defense.
**Transmittal No. 24-57**
**Notice of Proposed Issuance of Letter of Offer Pursuant to Section 36(b)(1) of the Arms Export Control Act, as amended**
(i) *Prospective Purchaser:* Taipei Economic and Cultural Representative Office in the United States (TECRO)
(ii) *Total Estimated Value:*
| | |
| --- | --- |
| Major Defense Equipment * | $ 0 million |
| Other | $828 million |
| TOTAL | $828 million |
Funding Source: National Funds
(iii) *Description and Quantity or Quantities of Articles or Services under Consideration for Purchase:*
*Major Defense Equipment (MDE):*
None
*Non-MDE:*
AN/TPS-77 and AN/TPS-78 radar turnkey systems; spare and repair parts, consumables and accessories; repair and return support; transportation support; personnel training and training equipment; United States (U.S.) Government and contractor engineering, technical, and logistics support services; and other related elements of logistics and program support.
(iv) *Military Department:* Air Force (TW-D-DAJ, TW-D-DAK)
(v) *Prior Related Cases, if any:* None
*(vi) Sales Commission, Fee, etc., Paid, Offered, or Agreed to be Paid:* None known at this time
(vii) *Sensitivity of Technology Contained in the Defense Article or Defense Services Proposed to be Sold:* None
(viii) *Date Report Delivered to Congress:* October 25, 2024
* as defined in Section 47(6) of the Arms Export Control Act.
**POLICY JUSTIFICATION**
**Taipei Economic and Cultural Representative Office in the United States—AN/TPS-77 and AN/TPS-78 Radar Turnkey Systems**
The Taipei Economic and Cultural Representative Office in the U.S. (TECRO) has requested to buy AN/TPS-77 and AN/TPS-78 radar turnkey systems; spare and repair parts, consumables and accessories; repair and return support; transportation support; personnel training and training equipment; U.S. Government and contractor engineering, technical, and logistics support services; and other related elements of logistics and program support. The total estimated cost is $828 million.
This proposed sale is consistent with U.S. law and policy as expressed in Public Law 96-8.
This proposed sale serves U.S. national, economic, and security interests by supporting the recipient's continuing efforts to modernize its armed forces and to maintain a credible defensive capability. The proposed sale will help improve the security of the recipient and assist in maintaining political stability, military balance, and economic progress in the region.
The proposed sale will improve the recipient's capability to meet current and future threats by providing multi-mission ground-based radar solutions for medium to long range air surveillance. The recipient will have no difficulty absorbing this equipment into its armed forces.
The proposed sale of this equipment and support will not alter the basic military balance in the region.
These radars will be procured by the U.S. Air Force. There are no known offset agreements proposed in connection with this potential sale.
Implementation of this proposed sale will not require the assignment of any additional U.S. Government or contractor representatives to the recipient.
There will be no adverse impact on U.S. defense readiness as a result of this proposed sale.