Public domain
A wing brace assembly for a B-25 bomber is prepared for the assembly line of an aircraft plant, North American Aviation, Inc., Calif. With plenty of speed, a 1,700-mile cruising range and a ceiling of 25,000 feet, it has performed as a medium bomber and as an escort plane
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Credit lineA wing brace assembly for a B-25 bomber is prepared for the assembly line of an aircraft plant, North American Aviation, Inc., Calif. With plenty of speed, a 1,700-mile cruising range and a ceiling of. 1939-01-01. Palmer, Alfred T.. FSA/OWI Color Photographs, Library of Congress. Public domain.