According to company representatives, the technologies and solutions used in the XR model could potentially be adapted for both the airborne JASSM and anti-ship LRASM variants. Notably, while LRASM has primarily been integrated with selected aircraft platforms, tests have confirmed its capability for deployment from Mk 41 vertical launch systems. A key feature of the AGM-158XR is its extended combat range, which is unofficially estimated to approach 1,500 kilometres.
The development of the XR variant is currently funded by Lockheed Martin; however, with the intensifying global geopolitical landscape, it is possible that the U.S. Department of Defense may allocate additional funding for the project.
The AGM-158 JASSM is currently produced in the AGM-158B JASSM-ER version, which is in service with several countries. Additionally, work is ongoing on the AGM-158B-2/B-3 variants, which involve replacing outdated components and adding features to enhance combat capabilities, as well as the AGM-158D variant. Lockheed Martin is also advancing the development of the AGM-158C LRASM anti-ship missile family.
To date, the AGM-158 JASSM has been integrated with U.S. aircraft such as the B-1B Lancer bomber and the multirole F/A-18E/F Super Hornet, F/A-18C/D Hornet, and F-15E Strike Eagle. The missile saw its combat debut in April 2018, when bombers deployed it in an attack on ground targets in Syria. For export purposes, integration has included the F-16C/D Fighting Falcon Block 52+ Advanced, specifically for Poland. Current efforts are focused on expanding compatibility of both the JASSM and LRASM families with the Lockheed Martin F-35 Lightning II multirole combat aircraft.
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