Tactical is the debut studio album by American melodic death metal band World Under Blood. Recorded at HIV + Cocksplitter and Keene Machine Studios in Los Angeles, California with Logan Mader and Michael Keene, it was produced by the band's frontman Deron Miller and guest musician James Murphy. The album was released on July 26, 2011 by Nuclear Blast Records.
The material for Tactical was written by Miller and arranged with drummer Tim Yeung, with the exception of the two cover versions: Megadeth's "Wake Up Dead" and Malevolent Creation's "Alliance or War". Murphy mixed and mastered the album. Tactical reached number 23 on the Billboard Top Heatseekers chart, selling around 900 copies in its first week.