when HMS Ajax, HMS Exeter and HMS Achilles (New Zealand) finally caught the Graf von Spee, which then decided to scuttle the pocket battleship.
The German pocket battleship (heavy cruiser ... off the coast of Uruguay by three smaller Royal Navy cruisers, HMS Exeter; HMS Ajax and HMS Achilles, which was part of the RN New Zealand Division.
Commodore Henry Harwood of Hunting Group G guessed where the German ship was headed, closing in with heavy cruiser HMS Exeter and light cruisers HMS Ajax and HMS Achilles on December 13.