The Supreme Allied Commander Atlantic (SACLANT) was one of two supreme commanders of the North Atlantic Treaty Organisation (NATO). The incumbent was always an American admiral or general, with a British admiral as deputy.
In 2003 the position was reconstituted the Allied Command Transformation (ACT). This is located in Norfolk, Virginia, where the Supreme Allied Commander Atlantic was based. It is headed by the Supreme Allied Commander Transformation (SACT), an American four-star admiral who is dual-hatted as commander, United States Joint Forces Command (COMUSJFCOM).