Lockheed Martin Mission Systems & Sensors (LM MS2) is a Lockheed Martin business segment, headquartered in Washington, DC. Until October 2008 MS2 was headquartered in Moorestown Township, New Jersey, a suburb of Philadelphia; Moorestown remains the largest site in the business unit and is where many of the unit's top executives have their offices. MS2 is a part of Lockheed Martin Electronic Systems sector. MS2 was formerly known as NESS (Naval Electronics and Surveillance Systems) and Maritime Systems and Sensors. Dale Bennett is the current president of MS2.