2. ENGINEERS AND TECHNICIANS PREPARE FOR AN UPCOMING HOT-FIRE TEST OF A ROCKET INJECTOR MANUFACTURED USING ADDITIVE MANUFACTURING, OR 3-D PRINTING…(L TO R) WILLIE PARKER, INFOPRO TECHNICIAN, BRAD BULLARD, NASA, NICK CASE, NASA, AND RANDALL MCALLISTER, INFOPRO TECHNICIAN
Photographer EMMETT GIVEN
Date April 21, 2014