(CNN) Ukraine is burning through ammunition faster than the US and NATO can produce it. Inside the Pentagon’s plan to close the gap.
For techies only. U.S. contract solicitations indicate the same basic method used in WW2, the “Upsetter method”, is employed. The Upsetter forge is a horizontal forging press.
A Signal Corps documentary explains the Upsetter method in great detail, minus the automation of the modern Scranton plant:
MANUFACTURING 3-INCH ANTI-AIRCRAFT SHELLS WORLD WAR II ORDNANCE FILM FRANKFORD ARSENAL 10414