with Taku Forts 1860 clasp (not necessarily the same clasp awarded to Denison) Denison joined the Royal Navy in 1849. He was appointed
mate with a pass in seamanship in 1856. He was mate and subsequently acting lieutenant on the sloop 1856–59 when she served off China in the Second Opium War, being promoted to acting lieutenant in 1857 in consideration of successful operations against "Mandarin junks" in the
Canton River and the attack on the fort and junk fleet at
Fatsham Creek. He received the second
China War Medal and clasp. In 1869 he was commander of at the China station and in 1873 he was promoted to captain. He was placed on the retired list with the rank of captain in 1881 and subsequently promoted to the rank of rear admiral. ==Death==