agility) and computing technology. FMV has a generally limited field of view and thus has limitations in a search mode. Recent developments extend FMV capability to wider areas by using multiple telescopes and processing to stitch the resulting outputs into a common picture; this technology is called wide area motion imagery (WAMI). Moving targets are automatically tracked in FMV and WAMI by finding and tracking pixel changes from frame to frame. Similarly, IRST sensor technology searches for regions of high emissivity to detect targets and then observes changes in pixel emissivity from frame to frame to estimate vehicle motion.

TABLE G-2 Squad-Level Sensor Missions

Mission Description Objective Relevant Sensor Technology
SA Dismount detection and engagement Detect, locate, characterize, and monitor dismounts in vicinity of squad Radar, SIGINT, FMV, IRST, WAMI
SA Vehicle detection and engagement Detect, locate, characterize, and monitor vehicles in vicinity of squad Radar, FMV, IRST, WAMI, acoustics, seismometer
SA Through-wall surveillance Determine presence of possible combatants and weapons caches within buildings and structures Radar, SIGINT
SA Foliage obscured target surveillance Determine presence of possible combatants, weapons, and weapons caches under foliage Radar, LAser Detection And Ranging (LADAR), SIGINT
SA Spectrum surveillance Find and characterize emitters within vicinity of squad SIGINT
SA Navigation in GPS-denied environments Provide position information in absence of traditional, handheld GPS device Radiofrequency sensor technology


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