Douglas O2-H thejivebombers Army Air Corps & Army Air Service January 8, 2018April 20, 2020 1 Minute 29-175 of the 91st Observation Squadron, Crissy Field CA, 19 June 1930. Share this:TwitterFacebookLike this:Like Loading... Related Published by thejivebombers View all posts by thejivebombers Published January 8, 2018April 20, 2020