Workers at a Boeing plant finish their 5,000th B17 in 1944 and cover the whole plane with signatures https://t.co/jFMYd4QDm9 https://video.twimg.com/ext_tw_video/1828258210710462464/pu/vid/avc1/576x414/BQd7yOiD63O_--3U.mp4?tag=12