Dryden historian Christian Gelzer explains functions of a high-altitude pressure suit to (left to right) Brandon Blankenship, Garrett Clay and Eddie Patterson

NASA Dryden historian Christian Gelzer explains functions of the high-altitude pressure suit he is wearing to (left to right) Brandon Blankenship and Garrett Clay of Lancaster and Eddie Patterson of Tehachapi during Take Your Children to Work Day activities at NASA Dryden Flight Research Center June 22.