He served as a volunteer during the Napoleonic Campaign in Egypt, where he impressed senior officers including Sir John Moore.
[3] He was brevet Lieutenant Colonel in 1802, and the following year was a major in the 93rd Foot,[1] which he led in 1806 in the successful attack on the Cape of Good Hope under Sir David Baird.
[1] With his father's influence in Orkney facing a severe challenge, he served only one term, and did not contest the next election in June 1807.
[4] Like his uncle Robert, who preceded him as MP, he was away on active service for much of his time in office, and there is no record of him having voted or spoken in the House of Commons.
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