ROBINS AIR FORCE BASE, Ga. -- Darwin Brigman, 566th Electronic Maintenance Squadron Avionics and Instruments Flight electronics technician with the Warner Robins Air Logistics Complex, performs tests on a C-12 Directional Gyro circuit card for a C-130 aircraft at Robins Air Force Base, Georgia, Sept. 30, 2020. This gyro sent a gimbal error, which indicates the four-axis points are not balanced. (U.S. Air Force photo by Joseph Mather)