Admiral is the rank, or pairt o the name o the ranks, o the heichest naval officers. The rank uisually refers tae the position o full admiral (equivalent tae full general) an abuin vice admiral an ablo admiral o the fleet (or fleet admiral). It is uisually abbreviatit tae "Adm" or "ADM". Whaur relevant, admiral haes a NATO code o OF-9, an is a fower-starn rank.