Typical equipment of the Roman legionnaire. Only Roman citizens could sign up for the army. They had to be fit. They were not allowed to marry. Their armor gave them excellent protection. They carried a curved shield. They could punch the enemy with the metal boss in the center.
Imperial Roman Armor of an auxiliary soldier - similar to the legionary but chain-mail armour and rounded shield. Contrary to popular opinion, chain or ring- mail was not always a sign of auxiliary status among the Roman ranks. Legionaries wore ring-mail as well.
Ephesians 6:14-17 Stand therefore, having your loins girt about with truth, and having on the breastplate of righteousness; And your feet shod with the preparation of the gospel of peace; Above all, taking the shield of faith, wherewith ye shall be able to quench all the fiery darts of the wicked. And take the helmet of salvation, and the sword of the Spirit, which is the word of God: