HMS St Albans is a Type 23 frigate of the Royal Navy. She is the sixth ship to bear the name and is the sixteenth and final ship in the Duke class of frigates. She is based in Devonport, Plymouth. From Wikipedia
HMS St Albans and HMS Mersey, supported by a Merlin helicopter and RFA Tidesurge, monitored Russian vessels Admiral Golovoko and Soobrazitelny in a high-readiness operation.