General Dynamics to supply thermal imaging cameras to Border Patrol to spot ultra-light aircraft Tue, 2013-11-05 03:15 PM By: Jacob Goodwin CBP has awarded a contract worth more than $67,000 to General Dynamics Global Imaging Technologies, Inc. to supply its Z-500 long-range thermal imaging cameras for the U.S. Border Patrol to use at its Calexico Station in California to spot criminal organizations crossing the border in ultra-light aircraft.