
So far the Department of Homeland Security (DHS) is pleased with an aerostat-based ground surveillance system being used by Customs and Border Protection (CBP) along the southwest border as part of an evaluation of a number of Defense Department assets that are being examined for border security missions, according to Lockheed Martin [LMT] officials. CBP likes that the Lockheed Martin-built Persistent Threat Detection System (PTDS) that the Army has provided CBP flies at higher altitudes for longer times and in…