Lockheed Martin is developing an upgrade to the Q-53 counterfire target acquisition radar that will provide the system with a new digital backbone using components borrowed from the Sentinel A4. Mark Mekker, Lockheed's director of Army radar programs, told Inside Defense in an August 10 interview this will be the first major upgrade to the system since the company finished building the Army’s production objective of 189 Q-53 radars. Lockheed won a three-year upgrade contract in July. The Q-53’s...