1. Introduction -- 2. The long reach of war (1914-1917) -- 3. Joining the chemists' war (1917-1918) -- 4. Chemical warfare in peace (1918-1937) -- 5. Minutemen in peace (1918-1937) -- 6. Total war (1936-1943) -- 7. Annihilation (1943-1945) -- 8. Planning for peace and war (1944-1945) -- 9. War comes home (1945-1950) -- 10. Arms races in the Cold War (1950-1958) -- 11. Backfires (1958-1963) -- 12. Epilogue.