Action of 15 July 1798 joining with a squadron of four Portuguese ships of the line under the command of Tomás Xavier Teles de Castro da Gama, Marquess de Niza. In September, Niza's squadron was ordered to join Nelson in his search for the French and sailed eastwards, but while passing to the north of Malta they encountered a large convoy of battered vessels under Captain Sir James Saumarez. These ships were seven British ships of the line and six captured French ships, all survivors of the Battle of the Nile, Nelson's successful conclusion of the campaign fought at Aboukir Bay off Egypt on 1
Action of 18 August 1798 the battle, Captain Thomas Thompson of "Leander" abandoned the stranded "Culloden" and joined the second wave of attack against the French centre, focusing fire on the bow of the 120-gun French first rate "Orient". Within an hour, "Orient" caught fire under the combined attack of three ships and later exploded, effectively concluding the engagement in Nelson's favour. During the next two days, the lightly damaged "Leander" was employed in forcing the surrender of several grounded French vessels, and by the afternoon of 3 August Nelson was in complete control of Aboukir Bay. Only four French ships, two ships of the