The expedition was in two divisions: the first, under Sir Ralph Abercromby, going from Southampton, while the second, and main division, was being assembled in Kent. When united, the command-in-chief was to be assumed by the Duke of York. Sir R. Abercromby applied for Lieut.-Colonel--afterwards Sir Francis--Whitworth to command the Artillery of his division, and his request was complied [Sidenote: MS. Returns to the Board of Ordnance.] with. The following was the strength of General Abercromby’s Artillery, viz.: 1 field officer, 6 captains, 13 subalterns, 2 surgeons, 40 non-commissioned officers, 371 gunners, and 6 drummers. There were also present with him, belonging to the Driver Corps, 1 subaltern, 3 quartermaster commissaries, 15 non-commissioned officers, 152 drivers, 5 artificers, and 200 horses. The main Artillery force, under General Farrington, which followed that just given, was of considerable strength, including, [Sidenote: D. A. Gen. R.A. Correspondence.] besides Major Judgson’s Troop, Lieut.-Colonels Smith and Trotter, 9 captains, 14 subalterns, 1 surgeon, 43 non-commissioned officers, 412 gunners, and 8 drummers, besides a detachment of the Driver Corps, consisting of 1 captain, 4 quartermaster-commissaries, 12 non-commissioned officers, 166 drivers, 9 artificers, and 400 horses. The strength of Major Judgson’s Troop was as follows: 2 captains, 3 subalterns, 1 surgeon, 16 non-commissioned officers, 97 gunners, 58 drivers, 7 artificers, and 1 trumpeter; making a total of 185, besides 191 horses.[8] A second troop of Horse [Sidenote: * Captain Scott’s Troop, now A Battery, B Brigade.] Artillery[*] was put under orders, but did not embark; and of a further detachment of the Driver Corps, which was held in readiness, consisting of 226 men and 400 horses, about one-half ultimately went, if not more.