 Complete the following phrase:  In 1777, when war with France appeared imminent, Ross returned to active service, and was appointed to the 74-gun , joining the fleet under Admiral Augustus Keppel in the Battle of Ushant on 27 July 1778. On 13 August, by the successive deaths of his elder brothers without male issue, he succeeded to the baronetcy. On 19 March 1779 he was promoted to the rank of rear-admiral, and during the summer, with his flag in the Royal George, he was fourth in command in the Channel. In September he was sent with a small squadron into the North Sea to look out for John Paul Jones, but Jones, after capturing the Serapis in 1779, made good his escape. Continuing in the Channel Fleet, Ross was with Rodney at the capture of the Caracas convoy, the Battle of Cape St. Vincent and the 