By Staff Reporter
KARACHI: The United States has approved the sale of advanced communications systems and other support for Pakistan’s fleet of F-16 fighter jets, a package valued at $686 million that aims to bolster interoperability with American forces in counterterrorism operations, according to a letter from the Defence Security Cooperation Agency to Congress.
The approval, detailed in the letter dated Dec. 8, includes Link-16 systems, cryptographic equipment, avionics updates, training and comprehensive logistical support, Dawn newspaper reported on Thursday.
It comes amid efforts to modernise Pakistan’s aging F-16 aircraft, which have been a cornerstone of its air force since the 1980s. The agency’s letter, sent to the speaker of the House and chairmen of relevant congressional committees, emphasised the strategic rationale. “This proposed sale will support the foreign policy and national security objectives of the United States by allowing Pakistan to retain interoperability with US and partner forces in ongoing counterterrorism efforts and in preparation for future contingency operations,” it stated.
The upgrades are intended to address operational safety issues and extend the jets’ service life. The letter noted that the sale would “maintain Pakistan’s capability to meet current and future threats by updating and refurbishing its Block-52 and Mid Life Upgrade F-16 fleet.” It added that the changes would provide “seamless integration and interoperability between the Pakistan Air Force and the US Air Force in combat operations, exercises, and training, and refurbishment will extend the aircraft life through 2040 while addressing critical flight safety concerns.”
Pakistan, which has demonstrated a commitment to its military capabilities, “will have no difficulty absorbing these articles and services into its armed forces,” the letter said. It also addressed potential concerns about regional stability, asserting that “the proposed sale of this equipment and support will not alter the basic military balance in the region.”
The principal contractor for the deal is Lockheed Martin Company of Fort Worth, Texas. The agency pointed out that “implementation of this proposed sale will not require the assignment of any additional US Government or contractor representatives to Pakistan” and that there would be “no adverse impact on US defence readiness as a result of this proposed sale.”
The total estimated cost breaks down to $37 million for major defense equipment and $649 million for other items. The major defence equipment includes 92 Link-16 data link systems and six inert Mk-82 500-pound general-purpose bomb bodies, which carry no explosive payload and are designated for weapons integration testing. Link-16, described in the letter as an advanced command, control, communications and intelligence system, provides a secure, real-time network for sharing tactical data among allied forces. Used by US and NATO partners, it is resistant to electronic jamming from enemy air and ground assets.
“It provides the warfighter key theatre functions such as surveillance, identification, air control, weapons engagement coordination, and direction for all services and allied forces,” the letter read. The non-major defence equipment portion encompasses AN/APQ-10C Simple Key Loaders and AN/APX-126 Advanced Identification Friend or Foe systems, which help distinguish between hostile and allied aircraft. It also covers hardware and software modifications to support the Operational Flight Program and mandated avionics updates, along with KY-58M and KIV-78 cryptographic appliqués—National Security Agency-certified modules for secure communications and identification in military aircraft and tactical systems.
Additional elements include secure communications, precision navigation and cryptographic devices, Joint Mission Planning Systems and support, Common Munitions Built-in-test Reprogramming Equipment, and ADU-981 missile adaptor units. The package further provides weapons integration, test and support equipment, spare and repair parts, software delivery and support, publications and technical documentation, full motion simulators, personnel training, and training equipment. US government and contractor engineering, technical and logistics support services, as well as studies, surveys and other logistical and program elements, round out the deal.
Pakistan first requested these upgrades in 2021, during a period of strained relations with Washington, but the U.S. response was delayed. In the intervening years, Pakistan has diversified its air capabilities, acquiring and jointly developing other platforms that demonstrated their effectiveness in the May 2025 air war, where they inflicted significant damage on the Indian fleet. Despite reduced dependence on the F-16s, “Pakistan still welcomes the U.S. offer, as it will enhance the shelf life of its F-16s until 2040,” a diplomatic source said. The letter concluded that the sale “will support the foreign policy and national security objectives of the United States” while ensuring Pakistan can operate its F-16 fleet safely and effectively.
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