 Promoted to lieutenant on 16 May 1823, he was appointed to the frigate HMS "Euryalus" in the Mediterranean Fleet.In HMS "Euryalus" he saw action supporting the blockade of Algiers by Greek revolutionaries in July 1824 during the Greek War of Independence.He transferred to the guard ship HMS "Superb" at Portsmouth in December 1825 and to the second-rate HMS "Ganges", flagship of Admiral Sir Robert Otway serving as Commander-in-Chief of the South America Station, in March 1826.