LB-7’s of the 20th Bomb Squadron thejivebombers Army Air Corps & Army Air Service October 8, 2018April 20, 2020 1 Minute Aircraft in foreground is 28-393. Typical of the short life-span for aircraft of the era, 393 was delivered in 1929, and five years later scrapped as obsolete. Share this:TwitterFacebookLike this:Like Loading... Related Published by thejivebombers View all posts by thejivebombers Published October 8, 2018April 20, 2020