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Show Navy Men Can Identify Planes in Split Second The navy has just adopted a new system of training its men to recognize rec-ognize ships and planes instantly from a glimpse of their total Image, instead of by glances at their distinctive parts, says Collier's. Col-lier's. The course consists of a 120-hour study of 2,000 pictures of 168 objects from various angles on slides that are run through a projector at high speeds. To pass, a man must be able to identify a ship in one- second and a plane in one 75th of a second. |