Pictured here at a demonstration flight Friday in Redlands, Calif., are LASD deputy Troy Sella (left) and SkySeer inventor Sam de la Torre. The aircraft has a wingspan of 6.5 feet and weighs just over 3 pounds.
UAVs have become a staple of military operations in recent years--one was used in the operation that killed al-Qaida leader Abu Musab al-Zarqawi earlier this month--and police agencies now envision using them over U.S. cities and borders. For more photos of UAVs, click here.