A reconnaissance aircraft is a military aircraft designed or adapted to perform aerial reconnaissance with roles including collection of imagery intelligence, signals intelligence, as well as measurement and signature intelligence. Modern technology has also enabled some aircraft and UAVs to carry out real-time surveillance in addition to general intelligence gathering.
A USAF SR-71 high-altitude reconnaissance aircraft
USAF's RC-135U Combat Sent reconnaissance (ELINT) aircraft
ScanEagle reconnaissance UAV on its catapult launcher
Aerial reconnaissance is reconnaissance for a military or strategic purpose that is conducted using reconnaissance aircraft. The role of reconnaissance can fulfil a variety of requirements including artillery spotting, the collection of imagery intelligence, and the observation of enemy maneuvers.
A USAAF photo-reconnaissance Lockheed F-5 Lightning in flight over Europe circa June 1944. It is marked with invasion stripes to help Allied troops clearly identify it as an Allied plane.
Pigeon with German miniature camera, during the First World War
A B.E.2c reconnaissance aircraft of the RFC with an aerial reconnaissance camera fixed to the side of the fuselage, 1916
A German observation plane, the Rumpler Taube