. . . . . "American aerospace engineer" . . "Technical Lead & Research Specialist"@en . . . . "Steven P. Chappell, PhD, is an American aerospace engineer. He is a Technical Lead & Research Specialist for Wyle Integrated Science & Engineering at NASA's Johnson Space Center (JSC) in Houston, Texas. He is helping to define and execute the research needed to optimize human performance in next-generation spacesuits and extra-vehicular activity (EVA) systems. Chappell served as an aquanaut on the NASA Extreme Environment Mission Operations 14 (NEEMO 14) crew."@en . "Steve Chappell"@en . . "Chappell, Steven P."@en . . . . .