Alfredo Ramirez, a volunteer from the U.S. Army Test and Evaluation Command, helps Ayrika Anderson from White Station Middle School, Memphis, Tennessee, at a recent eCYBERMISSION event. Army volunteers are key to the success of the AEOP—in 2016, more than 800 helped mentor competitors and judge solutions to community problems in the “world’s largest online science fair.” (Photo by Conrad Johnson, RDECOM)