There are more than 1 Artists called Unit 731. 1. Unit 731 is a band from Pittsburgh, PA. They released there first full length "A Plague Upon Humanity" in late 2007 and their 2nd album "Res Ipsa Loquitur" in 2010. They have Influences from Bands like All Out War, Sworn Vengeance, Built Upon Frustration, No Retreat, and Dying Fetus. Line Up: Chris - Guitar Dan - Guitar Jeremy - Drums Eric - Vocals http://www.myspace.com/unit731pa 2. Unit 731 is a Thrash/Death Metal band from Finland. Read more on Last.fm