• Elements
  • Designs
  • Design topics
  • Element topics
  • Boards
https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12294225
Camp Lejeune, New River, North Carolina. Engineers of the 51st Composite Battalion, U.S. Marine Corps, firing a thirty calibre machine gun on the range. Sourced from the Library of Congress.