 The lighter, six-pounder battlefield rockets had been sent on the second Egyptian campaign in 1807, a further field trial which proved to be unsuccessful.Congreve accompanied Lord Cochrane in the fire-ship, rocket, and shell attack on the French Fleet in Aix and Basque roads on 11 April 1809.The Walcheren Campaign in 1809 saw the deployment of , a merchant sloop converted to a warship and then converted to fire Congreve rockets from 21 "rocket scuttles"' installed in her broadside.