Keywords: MK115.png en Cutaway drawing of the en MK 115 cannon before 1951 George Chinn 1951 The Machine Gun Development During World War II and Korean Conflict by the United States and their Allies of Full Automatic Machine Gun Systems and High Rate of Fire Power Driven Cannon Volume III Parts VIII and IX p 637 US Government Printing Office Sgt Marie Mamone or Sgt C Jane Mcredith the two illustrators credited in the book's Acknowledgements PD-USGov Uploaded with UploadWizard Aircraft guns Diagrams of firearm actions |