American thrash metal band, which is in its first active period between 1982 and 1989 ranged in hot thrashových and speed metal waters of Los Angeles and San Francisco along with other pioneers of the genre such as Metallica, Exodus and Slayer. After several demonahrávkách and two official albums the band in 1989 under the influence of nastřádaného voltage and total disillusionment ceased operations.
The interest of fans, however, led in 2000 to its restoration. Hirax since then through a series of personnel changes no let from his deployment. During the new era of its existence accumulated four studio albums, two DVDs and a number of EP, a split compilation albums.