This is the last full day on the job for Canada’s top-ranking military officer.

General Walter Natynczyk steps down tomorrow after four years as Chief of Defense staff.

Natynczyk will be succeeded by Lieutenant-General Tom Lawson, a former fighter pilot.

Governor General David Johnston, the Canadian military’s Commander-in-chief, will preside over tomorrow morning’s change-of-command ceremony at the Canadian War Museum here in Ottawa.