He began his military service as Second-Lieutenant in the 1st « His Majesty’s » Company on June 23, 1887 (Old Style) and was promoted to the rank of Staff-Captain on August 30. He remained on active duty in the Regiment for 2 years before joining units from the Guards’ Cavalry & Horse Artillery to complete his military training.
He remained on the rolls of the Preobrazhensky Guards and went back to active duty in the Regiment on January 1st, 1893 to take command of the 1st Battalion as a Colonel, the rank he had when he became emperor and which he kept for the rest of his life. In December 1894, Nicholas II established a « Badge for Service in the 1st Battalion of the Guards’ Preobrazhensky Regiment » (with the dates January 1, 1893-October 20, 1894), which was awarded to all officers & men who had served under his command.
As General Spiridovich recalls in his memoirs, in June 1912 the 25th anniversary of the beginning of Nicholas' service in the Regiment was celebrated at Peterhof. A parade was held and, to the Regimental Commanding Officer’s dismay, Nicholas II insisted to march in the parade at the head of « his » battalion, behind the C.O., which he did twice, giving a military salute to the Empresses when he marched by them.
After a luncheon with the officers of the Regiment, while holding the hand of young Tsarevich Alexis – who was wearing the uniform of the Regiment for the first time - he told them the day he had joined the ranks of the Regiment had been the happiest of his life and that he hoped he would live long enough to see the day his son would join the ranks of the Guards’ Preobrazhensky Regiment too. This day never came…