 Complete the following phrase:  He was promoted lieutet in 1839 and captain in 1846. He served with the regiment at Gibraltar, the West Indies and North America before transferring to the 7th Dragoon Guards in 1849. In 1854 he was in the Crimea as Aide-de-Camp to Lord Lucan, commander of the cavalry division. After being present at the battles of Alma, Balaclava, and 