Airman 1st Class Colton Farris, 364th Training Squadron electrical and environmental systems apprentice course student, performs an operations check on a C-130 Hercules at Sheppard Air Force Base, Texas, Dec. 6, 2018. Farris is working on arming the emergency lights for the C-130. Emergency lights will activate during emergency events such as when the normal electrical lightings get cut out during flight or in the event of a crash landing. (U.S. Air Force photo by Airman 1st Class Pedro Tenorio)