Women showing up for the first day of work at Brooklyn Navy Yard, which began hiring women in 1942[1]. "Before electronic surveillance gates, these 'Rosie the Riveters' — the first-ever women to work at the Brooklyn Navy Yard during World War II — had to open their handbags for security reasons."[2]

1. First Women Hired in Navy Yard Shops, New York Times, 14 Sep 1942, pp.1,19. "When the United States Civil Service Commission announced that women could take an examination for prospective mechanics, 20,000 applied."
2. Pitsch, Howard, Forte Greene, Aracadia Publishing (2010).