The Boeing Insitu ScanEagle is a small, long-endurance, low-altitude unmanned surveillance and reconnaissance aerial vehicle built by Insitu, a subsidiary of Boeing, and is used for reconnaissance. The ScanEagle was designed by Insitu based on the Insitu SeaScan, a commercial UAV that was intended for fish-spotting. The ScanEagle continues to receive improvements through upgrades and changes.

An unmanned surveillance and reconnaissance aerial vehicle, is an unarmed military UAV that is used for intelligence, surveillance, target acquisition, and reconnaissance (ISTAR). Unlike unmanned combat aerial vehicle (UCAV), this type of system is not designed to carry aircraft ordnance such as missiles, ATGMs, or bombs for drone strikes. The main purpose is to provide battlefield intelligence. Small sized short-range man-portable unmanned aerial vehicles are called miniature UAV also used for battlefield intelligence.