The S-400 Triumf (Russian: C-400 «Триумф») is a new generation air efense system developed by the Almaz Central Design Bureau as an upgrade of the S-300 family. Its NATO reporting name is SA-21 Growler. The S-400 was previously known as S-300PMU-3. It overshadows the capabilities of the other systems from the S-300 series, and its range is more than 2 times greater than that of the MIM-104 Patriot system.