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The U.S. State Department approved a massive missile sale to Germany valued at $3.5 billion, marking one of the largest recent enhancements to Berlin’s naval air and missile defense capabilities.

The approval allows the transfer of Standard Missile 6 (SM-6) Block I and Standard Missile 2 (SM-2) Block IIIC systems, along with associated equipment, launch canisters, test materials, training components, and logistical support.

According to the Defense Security Cooperation Agency (DSCA), the deal still requires completion of final negotiations and notification procedures, but the U.S. government has formally certified the package to Congress.

Germany, a key NATO ally, is planning to integrate these missiles into its future F127 class air-defense frigates, which will become the centerpiece of Berlin’s next-generation naval modernization plan.

Missile Quantities and Package Details

The proposed sale includes up to 173 SM-6 Block I missiles and 577 SM-2 Block IIIC missiles, according to the notice posted on the DSCA website.

The package also contains hardware such as MK 21 and MK 13 Vertical Launch System canisters for transport, storage, and launch, along with missile test equipment, engineering and integration materials, special handling equipment, technical documentation, and lifecycle support.

“The proposed sale will improve Germany’s capability to meet current and future threats by providing integrated air and missile defense capabilities deployable from their future Aegis Weapon System-equipped F127 class surface combatants, bolstering Germany’s capacity to present a credible deterrence to regional strategic competitors,” the DSCA notice says.

“The proposed sale will also improve Germany’s ability to operate alongside U.S. and Allied naval forces in facing a full spectrum of maritime threats. Germany will have no difficulty absorbing these missiles into its armed forces.”

Though the State Department has listed the estimated value at $3.5 billion, DSCA emphasized that final figures and quantities may change as negotiations continue. U.S. lawmakers will have the opportunity to block the sale, but such action is considered unlikely given Germany’s role as one of Washington’s closest defense partners in Europe.

Capabilities of the SM-6

RTX Corporation, formerly known as Raytheon Technologies, will serve as the primary contractor for the prospective contract. The company describes the SM-6 as “three missiles in one,” capable of conducting anti-air warfare, anti-surface warfare, and ballistic missile defense missions.

The SM-6 uses an inertial guidance system with mid-course updates and an active radar seeker derived from the AIM-120 AMRAAM. According to technical descriptions, “the missile has gained the ability to engage targets beyond the horizon or behind terrain folds” due to this seeker. Once in the terminal phase, the seeker provides precision guidance, allowing the missile to intercept targets with a direct hit.

With its Mk 72 booster and upgraded rocket motor, the SM-6 can reach intercept distances up to 240 kilometers and altitudes up to 33 kilometers. RTX notes that the missile’s multi-role design makes it one of the most flexible interceptors in allied naval inventories.

SM-2 Block IIIC: Latest Variant of Standard Missile 2 family

The SM-2 Block IIIC requested by Germany represents the latest update to the long-serving Standard Missile 2 family. The Block IIIC replaces the semi-active seeker of earlier models with a dual-mode seeker incorporating both semi-active and active radar guidance. The upgrade improves performance against highly maneuverable airborne threats, including anti-ship cruise missiles and tactical aircraft.

The missile adds a new dorsal fin and thrust-vectoring jet-tab assembly to enhance its maneuverability and trajectory control. Development of the Block IIIC is scheduled to continue through September 2031, with initial integration expected to occur on ships equipped with the Aegis combat system.

RTX will perform work for the project at facilities in Camden, Arizona; Tucson, Arkansas; and Huntsville, Alabama. No offset agreements have been proposed so far, with DSCA stating that any such arrangements would be negotiated directly between Germany and the contractor.

Germany’s F127 Frigate Program

The missile purchase aligns with Germany’s broader naval modernization effort centered around the F127 class, a new generation of air-defense frigates intended to replace the F124 Sachsen-class vessels that entered service in the early 2000s. Last year, the German government formally approved the F127 program, which shipbuilder Thyssenkrupp Marine Systems (TKMS) has described as the “next generation of sea-based air defense.”

The F127 design draws on TKMS’s MEKO A-400 Air and Missile Defense platform and will feature the Aegis combat management system paired with the AN/SPY-6(V)1 radar. Germany plans to procure at least five ships, with options for a sixth and possible expansion to eight total vessels if budget decisions allow.

Beyond the Standard-series interceptors, the F127-class ships are expected to carry Naval Strike Missiles, 3SM Tyrfing anti-ship missiles, and potentially Tomahawk Block V land-attack cruise missiles pending future approvals. The vessels will displace roughly 10,000 tons and are scheduled to enter service in the mid-2030s.

Strategic Impact and NATO Context

DSCA stated that the sale reinforces U.S. security objectives by strengthening a NATO ally described as “a force for political stability and economic progress in Europe.” It also emphasized that the transfer “will not alter the basic military balance in the region” and will have no adverse effect on U.S. defense readiness.

Germany’s acquisition of the SM-6 and SM-2 Block IIIC is expected to significantly enhance its ability to conduct integrated air and missile defense missions in cooperation with the U.S. and other NATO navies. The future F127 vessels equipped with these interceptors will position Germany as a central contributor to European maritime security and allied air defense networks.

No additional U.S. personnel will be required in Germany to support the implementation of the sale, according to DSCA.