Rust in Peace is the fourth studio album by American heavy metal band Megadeth, released on September 24, 1990 by Capitol Records. It was the first Megadeth album to feature lead guitarist Marty Friedman and drummer Nick Menza. The songs "Hangar 18" and "Holy Wars... The Punishment Due" were released as singles. A remixed and remastered version of the album featuring four bonus tracks was released in 2004.