 Complete the following phrase:  Nation was commissioned a second lieutet in the Royal Engineers on 1 April 1895, and promoted to lieutet on 1 April 1898. He served in the Second Boer War in South Africa from 1899 to 1902. He was first posted in the Orange Free State, including engagements at Vet River and Zand River; later in the Transvaal, where he was present at actions near Johannesburg and Pretoria, including the battles of 