The O-2 Skymaster (also known as the Oscar Deuce or The Duck) is a military version of the Cessna 337 Super Skymaster utilized as an observation and forward air control (FAC) aircraft. The United States Air Force commissioned Cessna to build a military variant to replace the O-1 Bird Dog in 1966.
Made by Cessna.
It is the successor of the Cessna Skymaster .