[3] He next saw active service, in 1874, as a major in the 2nd Battalion of the Rifle Brigade, under Colonel Sir Garnet Wolseley during the Third Anglo-Ashanti War.

The only mention, found to date, of his involvement in the Anglo-Zulu Wars is the following: Lt-Col Bengough arrived in Natal with the 77th Foot in December 1878.

[6] In 1892 he succeeded Sir Evelyn Wood as the General Officer Commanding the Eastern District at home and held the post until 1896.

After the Crimean War Wolseley started to keep a note of the best officers he met, and began gathering a network of able military men loyal to him.

On 11 September 1866 John Glyn married Ellen (d. 20 April 1928), eldest daughter of James Robert Dalton Dewar of Kent.

Lt-Genl Sir John Plumptre Carr-Glyn was invested as a Knight Commander, Order of the Bath (KCB).