U.S. Air Force Master Sgt. David Fernandez, 92nd Logistic Readiness Squadron vehicle maintenance superintendent, pitches his idea to judges at the Energy Spark Tank forum held by the 92nd Civil Engineer Squadron at Fairchild Air Force Base, Washington, Oct. 29, 2019. Similar to Fairchild’s previous Inland Spark competition that focused on innovation, the 92nd CES Spark Tank focused on energy initiatives that propel Fairchild to continue being Green in 19. (U.S. Air Force photo by Airman 1st Class Lawrence Sena)

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Photo by: Airman 1st Class Lawrence Sena |  VIRIN: 191029-F-WH061-1059.JPG