4th CMS Electrical, Environmental Airmen test F-15E Stike Eagle Components Published Jan. 26, 2021 By Airman 1st Class Kimberly Barrera SEYMOUR JOHNSON AIR FORCE BASE, N.C. -- Senior Airman Samuel Blankenship, 4th Component Maintenance Squadron electrical and environmental specialist, uses a K400 stand to assemble and test an integrated drive generator at Seymour Johnson Air Force Base, North Carolina, Jan. 13, 2021. An integrated drive generator is used to power an F-15E Strike Eagle. (U.S. Air Force photo by Airman 1st Class Kimberly Barrera)