94th Pursuit Squadron thejivebombers Army Air Corps & Army Air Service December 21, 2022 1 Minute These men are not going to get any warmer once they get airborne: Rule of thumb for aviation: It gets about 4 degrees (2C) colder for every 1,000 feet higher you go. A piece of hand-painted insignia. Share this:TwitterFacebookLike this:Like Loading... Related Published by thejivebombers View all posts by thejivebombers Published December 21, 2022