120th Observation Squadron thejivebombers Army Air Corps & Army Air Service January 27, 2018April 21, 2020 1 Minute Colorado National Guard, 1938-39. Flying from Lowry Field, the 120th was transitioning from the Thomas-Morse O-19, to the North American O-47. This photo is about 3 feet long. Share this:TwitterFacebookLike this:Like Loading... Related Published by thejivebombers View all posts by thejivebombers Published January 27, 2018April 21, 2020