Tempus provides turnkey and customized design, engineering, modification and integration services, and operations solutions that support aircraft critical mission requirements for various international customers including the United States Department of Defense, other U.S. Government Agencies, foreign Governments and Heads of State. Tempus designs and implements special mission aircraft modifications related to intelligence, surveillance and reconnaissance systems, new generation command, control and communications systems, and VIP interior components. Tempus also provides ongoing operational support, including flight crews, maintenance and other services to its customers. In addition, Tempus transitions undervalued and underutilized aircraft to alternative configurations that are then utilized for more profitable special mission purposes. Tempus is headquartered in Williamsburg, Virginia..