[1] In August 1851, by purchase, Heneage was commissioned as a Cornet into the 8th Light Dragoons[2] and on 3 September 1854 was promoted to Lieutenant.
[3] He was soon serving in the Crimean War and was present at many engagements of that campaign, including the battles of Alma, Balaclava, Inkerman, Tchernaïa, and the Siege of Sevastopol.
He was present at the capture of Kotah, the reoccupation of Chundaree, the battle of Kotah ke Serai, the capture of Gwalior and of Powree, the battle of Sindwaho, and the action of Koorwye and Naharghur[1] Heneage was 27 years old, and a captain in the 8th Hussars, during the Indian Mutiny when the following deed took place for which he was awarded the VC.
Selected for the Victoria Cross by their companions in the gallant charge made by a squadron of the Regiment at Gwalior, on the 17th of June, 1858, when, supported by a division of the Bombay Horse Artillery, and Her Majesty's 95th Regiment, they routed the enemy, who were advancing against Brigadier Smith's position, charged through the rebel camp into two batteries, capturing and bringing into their camp two of the enemy's guns, under a heavy and converging fire from the Fort and Town.
He succeeded to the family estates on his father's death in 1875, and "devoted himself to the life and duties of a country gentleman" in Wiltshire.