The United States Air Force signed a Record of Decision (ROD) on December 22, 2020, to establish an operational squadron of F-35A aircraft under the Air Force Reserve Command at Naval Air Station Joint Reserve Base Fort Worth, Texas. The Department of the Navy had signed the same ROD earlier on October 29, 2020, agreeing with the Air Force's decision. The decision was based on an Environmental Impact Statement and other relevant inputs. This decision makes the Air Force the lead agency and the Navy a cooperating agency in this project.
Simple Explanation
The Air Force and the Navy agreed to place some new airplanes at a special Air Force base in Texas. They thought a lot about the environment and made sure to write down their plans so that everyone knows what's happening.