The submarine HMAS AE 2, (LCDR H. H. G. D. Stoker, RN), unexpectedly encountered the British submarine HMS E14 (LCDR E. C. Boyle, RN), off Kara Burnu Point, in the Sea of Mamara. The British submarine had penetrated the Dardanelles the day before. Both captains agreed to rendezvous the next day, however, AE2 was sunk before the rendezvous could be made.