yup
and how the units is set up is usually in two lines or 3 (depending)
the newest legions would be this

Cohort 4 Cohort 3 Cohort 2 Cohort 1
Veteren Semi vet Semi vet 1st Cohort (highest vet)
Cohort 8 Cohort 7 Cohort 6 Cohort 5
Veterens recruits recruits veterens