Dog Soldier (ドッグソルジャー "SHADOWS OF THE PAST") is a 1989 OVA based on the manga by Tetsuya Sarawatari. An English dub was produced in Vancouver in 1996 and released by U.S. Manga Corps.
Synopsis
When an American scientist has in his possession a cure for the AIDS virus is kidnapped, a warrior named John Kyosuke vows to get it back.