Naval Surface Warfare Center Crane Division (NSWC Crane Division) is the principal tenant command located at Naval Support Activity Crane (NSA Crane). NSA Crane is a United States Navy installation located approximately southwest of Bloomington, Indiana, and predominantly located in Martin County, but small parts also extend into Greene and Lawrence counties. It was originally established in 1941 under the Bureau of Ordnance as the Naval Ammunition Depot for the production, testing, and storage of ordnance under the first supplemental Defense Appropriation Act. The base is named after William M. Crane. The base is the third largest naval installation in the world by geographic area and employs approximately 3,300 people. The closest community is the small town of Crane, which lies adjacent to the northwest corner of the facility. Operations With an increasing demand in the 1990s and 2000s by the US military for bases to support multiple functions rather than being sole-purpose installations, Crane has taken on a broad variety of development and support operations. These include expeditionary warfare systems, fleet maintenance, and modernization, radar, power systems, strategic systems, small arms, surface and airborne electronic warfare, night vision systems, and undersea warfare systems. Crane is also involved in systems development for the upcoming DD(X) class of destroyer for the US Navy and the Littoral Combat Ship (LCS). Operations at Crane are divided into three distinct focus areas: Strategic Missions, Electronic Warfare, and Expeditionary Warfare. Strategic Missions "Deter - Defend - Defeat" The Strategic Missions Focus Area encompasses the full range of DoD activities that alter an adversary's will and ability to attack the United States and its interests. Critical Infrastructure Protection Crane is the acquisition engineering & technical support agent for the Navy's Strategic Programs Office for the fielding of the Integrated Nuclear Weapons Security System. Full Spectrum Radar Engineering Support Crane provides a broad range of systems engineering expertise for the sustainment and modernization of the Air Forces Ballistic Missile Early Warning Systems. Flight Systems Crane supports systems engineering design, analysis, test, and evaluation of flight systems for Strategic platforms. Launcher Systems Crane provides high-reliability product and subsystem engineering and logistics to the Navy's Strategic Systems Programs Strategic Weapons System and Attack Weapon Control System. Modeling and Simulation The Flight Systems Division (Code GXM) models and simulates electronic components and subsystems of the Navy's Strategic Weapons System including the Attack Weapon Control System and Counter Measurement System. Analyses