1. The “Military Revolution”

2. Infantry replaces cavalry as the dominant force on the battlefield. Firearms become the dominant weapon. Armies become larger and more complex. “Combined arms” operations. Fortifications change dramatically. War becomes a monopoly of the state.

3. The Spanish Square (Tercio), c. 1490 - 1643

5. Increase in the Size of Armies 1415, Battle of Agincourt – 9,000 English vs. 30,000 French 1643, Battle of Rocroi – 23,000 French vs. 27,000 Imperial troops 1806, Battle of Jena–Auerstedt – 67,000 French vs. 120,500 Prussians

6. Organization Army Corps Division Brigade Regiment

7. Thirty Year’s War1618-1648 Austria, German Catholic States, Spain vs. Protestant German States, Denmark, Sweden, France English Civil War1642-1648 Charles I vs. Parliament

8. 10 Grenadier Guards, 1656 Coldstream Guards, 1650 Scots Guards, 1661 Horse Guards, 1650 Grenadier Company Light Company The Regiment

12. Napoleonic Corps Organization

13. Change in Fortifications

15. Mons Megs 1449

20. Sébastien Le Prestre de Vauban, Marquis de Vauban, 1633 – 1707

24. Original trading post building. 1726 US additions during the War of 1812