
The Helmet of Salvation reminds us that as Christians we are delivered from our sinful state through Jesus. In battle, the helmet was essential for the survival of a soldier in battle as it protects his head. In Jesus, we can find protection in every situation, spiritual, emotional, and physical. The salvation Jesus offers alone can save us. We cannot deliver ourselves.
Ephesians 6: 10-18
...Be strong in the Lord and in his mighty power. Put on the full armour of God so that you can take your stand against the devil's schemes. For our struggle is not against flesh and blood, but against the rulers, against the authorities, against the powers of this dark world and against the spiritual forces of evil in the heavenly realms. Therefore put on the full armour of God, so that when the day of evil comes, you may be able to stand your ground, and after you have done everything, to stand. Stand firm then, with the belt of truth buckled round your waist, with the breastplate of righteousness in place, and with your feet fitted with the readiness that comes from the gospel of peace. In addition to all this, take up the shield of faith, with which you can extinguish all the flaming arrows of the evil one. Take the helmet of salvation and the sword of the Spirit, which is the word of God.