Originally designed as a specialist anti-submarine ship, the Type 22 frigate evolved into a powerful surface combatant with substantial anti-surface, anti-submarine and anti-aircraft weapons systems.

BBC: Navy frigates in Portsmouth 'to be sunk or scrapped'

Originally designed as a specialist anti-submarine ship, the Type 22 frigates evolved into a powerful surface combatant with substantial anti-surface, anti-submarine and anti-aircraft weapons systems.

BBC: Four Royal Navy frigates in Portsmouth Harbour for sale