The Guard also practices and performs historic military drill, demonstrated during daily inspections, cannon firings and garrison parades in addition to the weekly Sunset Ceremonies.

The Fort Henry Guard consists primarily of university, college, and high school students from the Kingston area.

The Guard has performed at numerous events and ceremonies in Canada and abroad since its founding, most notably the Royal Tournament in England.

Performing with the United States Marine Drum and Bugle Corps and Silent Drill Platoon both at their barracks in Washington D.C. and in Fort Henry itself is another famous event in which the Guard has been involved.

Although the officers and soldiers of today's Guard superficially represent the regular garrisons of Fort Henry, the connection is seen in the unit's pride, honour, tradition, and esprit de corps.

Other positions within the Guard can include an Adjutant (typically the rank of an Infantry Lieutenant), a Brigade Sergeant Major, who can act as the NCO in charge of the artillery in the absence of a lieutenant, serjeants to assist in artillery and/or interpretation duties, and several junior non-commissioned officers within the two main sub-units who are involved with the training and immediate supervision of the privates.