The 643rd Electronic Systems Squadron (ESS) is a unit of the United States Air Force, specifically within the Air Force Life Cycle Management Center’s Electronic Systems Directorate (AFRL/ES). Based at Kirtland Air Force Base in Albuquerque, New Mexico, this squadron focuses on research, development, test and engineering of advanced electronic systems. Their primary mission is to support U.S. Department of Defense capabilities through the creation of innovative solutions in areas such as radar systems, communications, cybersecurity, and more. The 643rd ESS plays a crucial role in maintaining the technological edge of the U.S. military electronics sector.