Sheppard in photos
Airman Ángel Cervantes and Seaman William Dietrich, 366th Training Squadron electrical systems course students check the power on a three-way switch at Sheppard Air Force Base, Texas. This course provides initial training for students to perform installation and maintenance duties of interior electrical systems. (U.S. Air Force photo/Liz H. Colunga)

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Photo by: Liz H. Colunga |  VIRIN: 170727-F-NW376-014.JPG