As the Army works to craft an either upgrade or replacement for its venerable Patriot radar system, one contractor aims to convince the service to take the latter course. During an Aug. 15 media briefing ahead of the Space and Missile Defense Symposium in Huntsville, AL, a company official acknowledged that Lockheed Martin has responded to an Army solicitation for "potential materiel solutions for a Lower Tier Air and Missile Defense Sensor (LTAMDS)." Brad Hicks, vice president of business development...