U.S. Air Force Maj. Charles Parsons, 141st Communication Squadron flight commander, 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. Airmen from units across Fairchild participated in the forum, where they each pitched innovative ideas to a panel that consisted of 92nd CES leadership, energy management and environmental office representatives who play a critical role in implementing energy conservation actions. (U.S. Air Force photo by Airman 1st Class Lawrence Sena)