My Daily Rummage through the N.D.A.
Just shows the different terminology in the rank structure
http://laws.justice.gc.ca/en/N-5/86182.html#rid-86338
Ref: R.S., 1985, c. N-5, Sch.; R.S., 1985, c. 31 (1st Supp.), s. 60; 1998, c. 35, s. 91(F).
Also in Operational Training - Vol 2 - Unit...