 Complete the following phrase:  Prowse served in the Second Boer War from 1899 to 1902, by which time he had regained the rank of lieutet. He was seconded to the armys railway staff on 16 June 1900 and was mentioned in despatches by Field Marshal Lord Roberts on 8 February and 4 September 1901. During the war he served as a staff officer and was present at the Relief of Ladysmith and at the battles of Spion Kop, 