HMS Alderney P-416, date and location unknown.

HMS Alderney P-416 seen in 1954 at Plymouth Sound with Cawsand, Mount Edgecombe estate and Fort Picklecombe in the background.

(Caption courtesy of Phil Heydon ISM)

HMS Alderney P-416 seen in 1954 at Plymouth Sound.

(Caption courtesy of Phil Heydon ISM)

HMS Alderney P-416 seen in 1954 at Plymouth Sound with Staddon Heights in the background, also the Plymouth power station stack before the 'B' station was built.

(Caption courtesy of Phil Heydon ISM)

HMS Alderney P-416 seen in 1954 at Plymouth Sound with the old Fort in the background.

(Caption courtesy of Phil Heydon ISM)