U.S. Air Force Senior Airman Thiago Santos, 4th Fighter Readiness Squadron electronics technician, uses a laptop and Eclypse tester at Seymour Johnson Air Force Base, North Carolina, Feb. 3, 2021. The Eclypse test ensures there are no wiring faults on an F-15E Strike Eagle. (U.S. Air Force photo by Airman 1st Class Kimberly Barrera)