The 1 CMS provides on-equipment and intermediate maintenance on the wing's F-22 aircraft avionics and accessories systems as well as a fleet of F100-PW-100 and F119-PW-100 engines; calibrates and repairs test, measurement, and diagnostic equipment; and prepares to mobilize, deploy and sustain worldwide combat and contingency air superiority operations in support of two fighter squadrons and Aerospace Expeditionary Force taskings.