From left, Navy veteran Robert Svec looks over the sample return robot with Retrievers team members John DerBoghossian, Ethan Kranick and college mentor Ryan Mackenzie at Schenectady High School Friday, June 6, 2014 in Schenectady, N.Y. The Schenectady High School science team is competing in the NASA Sample Return Robot Centennial Challenge. Svec is a volunteer helping out with the computer software that runs the robot from a laptop. (Lori Van Buren / Times Union) Photo: Lori Van Buren / 00027231A