Umur2 reconnaissance plane (Umur2 reconnaissance airplane, number: UMI2, code name / nickname: Dragon Lady, translation: Mrs. Jiaolong, general name: Lockheed Umur2), is a single-seat, single-launch high-altitude reconnaissance aircraft of the US Air Force.The UMY-2 reconnaissance aircraft is designed to carry out all-weather reconnaissance missions at high altitude, providing important intelligence to decision makers in times of peace, crises, skirmishes and wars. In addition, it is also used for the development of electronic sensors, confirmation of satellite data and calibration. Although it has been more than 60 years since its maiden flight, Umuri 2 is still active on the front line [1].The Umi-2 reconnaissance plane was developed by (Lockheed) of the US Lockheed Company, completed its first flight secretly in August 1955, and began to equip the US Air Force in 1956. The US Air Force and CIA are used to spy on strategic targets behind enemy lines, and they can still be used as tactical reconnaissance aircraft today. Over the past few decades, he has fought all over the world, spying on the Soviet Union, Cuba, North Korea, China, Vietnam and other countries, but 15 planes have also been shot down in the airspace of other countries. The Umuri 2 production line was restarted in the 1980s. In the budget document approved by the United States Department of Defense on December 23, 2005, Umur2 was required to retire completely by 2011 at the latest, and part of Umur2 to be decommissioned in early 2007. Umur2's mission will be replaced by Northrop Grumman's Global Hawk drones and reconnaissance satellites. However, due to the "Global Hawk" has not yet been fully improved, Umur2 retirement plan has been postponed again.Chinese nameUmur2 reconnaissance aircraftForeign nameUmuri 2 reconnaissance airplaneSecondary type / gradeUmur2R, Umur2SDevelopment unitLockheed aircraft co.Development time1954-1956