It was first developed and mass-produced in 1941, before the United States entered World War II and was the standard helmet all the way through the mid-1980s. More than 22 million were made during ...

See Dessa Goddard appraise a Japanese russet iron Namban helmet, ca. 1800, in Crystal Bridges Museum of American Art, Hour 3. Aired 01/20/2025 | Rating TV-G Genre ...