Ensign in the 83rd Regiment (without purchase, and as a Gentleman Cadet): 17th of July 1840.
Lieutenant, 83rd Regiment: 22nd of July 1845.
Lieutenant, 8th Hussars. 27th of March 1846.
Captain, 8th Hussers: ? of February 1853.
Joined the regiment in the Crimea aboard the H.T. "Arabia" on the 29th of April 1855.
Major, 8th Hussars: 12th of May 1857.
Second Lieutenant-Colonel in the 8th Hussars: 31st of January 1858.
(Regiments serving in India carried a Second Lieut-Colonel on the roll. This was because the length of time many regiments spent in India, and the extended leave given to officers, meant that some form of continuity of command was followed.)
Retired, by the sale of his commission, on the 13th of April 1859.
Lieutenant-Colonel Naylor served the Eastern campaign from the 29th of April 1855, including the Siege and fall of Sebastopol and the battle of the Tchernya. (Medal and Clasp.) Commanded the escort to General Simpson in the Crimea from the 25th of April 1855.
Served with the detachment of the regiment under Lt. Colonel De Salis in the Expedition to Kertch on the 22nd of May 1855.
Also commanded a squadron during the Indian Mutiny campaign of 1858-59 at Kotahrehea, the attempt to cross the river Chambal in pursuit of Tantia Topee and at Neemuch. (Medal and Clasp)
Entitled to the Crimean medal with clasp for Sebastopol, the Turkish Medal and the Mutiny medal with clasp for Central India.
Extract from the Regimental History:
"Strongly recommended by General Sir H.R. Roberts for some distinction, but somehow the recommendation was stopped or miscarried, and never reached the Horse Guards, and Colonel Naylor had sold out before it was again mentioned."