The Indian Mutiny of the Sepoys broke out in May 1857, and though it was far removed from the usual duties of the Royal Marines, yet a small portion of the Corps was able to render some assistance in that terrible struggle.
The siege of Lucknow was the prolonged defence of the British Residency within the city of Lucknow from rebel sepoys (Indian soldiers in the British East India Company's Army) during the Indian Rebellion of 1857.
After two successive relief attempts had reached the city, the defenders and civilians were evacuated from the Residency, which was then abandoned att he end of November 1857.
On 3rd December the convoy of women-and children with the wounded was dispatched to Allahabad. Allowing time for the convoy to get away, Sir Colin Canpbell determined to fight on.
The Naval Brigade took part in this battle, which resulted in a great victory and dispersed tow
enemy's troops and the dangerous 3walior Contingent.
Captain Gray, RM , appears to have been wounded in this battle.
On 31st December the mutineers sent down a party to destroy the suspension bridge over the Kali Nuddi at Fathgarh (Futtegurh), but a party of Adrian Hope's Brigade with two 21 pdrs and one 8-inch howitzer of the Naval Brigade under Lieutenant Vaughan was sent on and saved the bridge and repaired it.
They were soon after counterattacked by the rebels, but the main body was coming up, and a very severe defeat was inflicted on the rebels.
Related Royal Marines 'Dits'
References/ further reading:
History of the Royal Marines - 1837-1914 - HE Blumberg
W.L. Clowes on the Naval Brigades in the Indian Mutiny - The Naval Brigades in the Indian Mutiny