Ballistic Armor is the modern form of body armor in the 2050s, and one of the wearable items in Deus Ex. Ballistic Armor uses the Environmental Training skill; at Untrained the suit will remain charged for several seconds. At Trained level, they will remain charged 50% longer than usual. At Advanced, they will last twice as long as usual, and at Master level, they last 4 times as long as usual.