Area 1 Area 2 Area 3 Area 4

Integrated fixed towers 24 23 8 12

Remote video surveillance systems 15 4 15 25

Remote video surveillance cameras 15 0 0 0

Night-vision goggles 22 13 11 10

Agent-portable surveillance systems 2 4 5 1

Imaging sensors 65 0 75 0

Unattended ground sensors 200 200 125 20

Truck-mounted mobile surveillance systems 0 2 2 0