The 55K6E is a command and control center based on the Ural-532301. The 91N6E is a panoramic radar detection system with a 600-kilometre (370 mi) range and protection against jamming, and is mounted on an MZKT-7930. Six battalions of 98ZH6E surface-to-air missile systems (an independent combat system) can track no more than six targets on their own, with an additional two battalions if they are within a range. The 92N6E (or 92N2E) is a multi-functional radar with a range, which can track 100 targets. The 5P85TE2 launcher and the 5P85SE2 on a trailer (up to 12 launchers) are used for launch. The 48N6E, 48N6E2, 48N6E3, 48N6DM, 9M96E, 9M96E2, and the ultra-long-range 40N6E missiles have been authorised by a Russian presidential decree. According to the Russian government, the S-400 utilizes an active electronically scanned array.