Alarm and the French destroyer Cimeterre'' patrolled the Eastern side of the straits, with HMS Comet 1910 2 and the Australian destroyer HMAS Torrens D67 2 on station at the centre of the straits and HMS Jackal 1911 2 and HMS Hornet 1911 2 at the Western side of the straits, with the three groups of destroyers separate by 10 miles .