Kevin Meyer, intern engineer, 775th Test Squadron, 412th Test Engineering Group, 412th Test Wing, explains the various training aids during a demonstration at Edwards Air Force Base, California, July 26. The EO/IR Flight, 775th Test Squadron, 412th Test Engineering Group, 412th Test Wing, developed an improved training program that was supported by SparkEd, the official AFWERX-recognized Spark Cell for Edwards AFB.