Los Angeles'li Thrash metal grubudur. 1981 de kurulmuştur.1992 de dağılmış ve 2002 de tekrar bir araya gelmişlerdir.
Dağılmadan önce ki Son elemanları;
Ron Rinehart - Vocals
Eric Meyer - Guitars
Danyael Williams - Bass
Gene Hoglan - Drums
Grupta çalıp ayrılan elamanları;
Don Doty - Vocals (1981-1987)
Jim Drabos - Vocals (1987)
Jim Durkin - Guitars (1981-1989, 2002)
Brett Eriksen - Guitars (1989-1991)
Cris McCarthy - Guitars (1991-1992)
Rob Yahn - Bass (1981-1986)
Mike Gonzalez - Bass (1986-1992)
Mike Andrade - Drums (1981-1983)
Jack Schwartz - Drums (1983-1984)
Lee Rausch - Drums (1984)
Diskografi;
Demolar
Gonna Burn (1983)
Demo II (1983)
Live Demo (1984)
Live Demo From Berkeley (1985)
Atrocity Exhibition (1992)
Albumler
We Have Arrived (1984)
Darkness Descends (1986)
Leave Scars (1989)
Live Scars (1990)
Time Does Not Heal (1991)
