DR. JONATHAN HORNSBY, chief scientist, LCMCD, in the War Room looking over maps of homeowner complaints about mosquitos (top left). LCMCD pilot Jim McKeever tests his night vision goggles before a flight (top right). A technician draws blood from a sentinel chicken at one of the 17 coops strategically located throughout the area (right). The AG-Nav guidance system (GUIA) is loaded with a custom obstacle database, as well as the days' spray runs (far right). 70 | AOPA PILOT April 2015