(For other countries which use this rank, see Rear admiral.) Rear admiral (abbreviated as RADM) is the third-highest active rank of the Royal Australian Navy and was created as a direct equivalent of the British rank of rear admiral. It is a two-star rank. Rear admiral is a higher rank than commodore, but lower than vice admiral. Rear admiral is the equivalent of air vice-marshal in the Royal Australian Air Force and major general in the Australian Army.