Master Sgts. Shatasha Estes, 55th Combat Communications Squadron first sergeant, and Jeanett Vielman, 50th Network Warfare Squadron first sergeant, throw tires during a team building exercise Nov. 19, 2020, during the 960th Cyberspace Wing leadership summit at Joint Base San Antonio-Chapman Training Annex, Texas. (U.S. Air Force photo by Samantha Mathison)