 Sub-convoy MW11c sailed from Port Said on 11 June, to tempt the Italian battlefleet to sail early, use up fuel and be exposed to submarine and air attack.MW11a and MW11b sailed next day from Haifa, Port Said and Alexandria, one ship being sent back because of defects.Italian and German (Axis) aircraft attacked MW11c on 12 June and a damaged ship was diverted to Tobruk, just east of Gazala.