[aruanan]

The immigrant soldiers needed to be between 17 and 36 years of age, at least five feet one-half inch tall,

In other words, approaching average height for the time and just about the average height of Roman soldiers.

[blam]

"In other words, approaching average height for the time and just about the average height of Roman soldiers."

That was a minimum height requirement. For some reason, I figure these people to be on the 'taller' side.