Question: what are the different divisions of the us military?
Answer: 1st Cavalry Division: 1921–present. 2nd Cavalry Division: Unorganized. ...  3rd Cavalry Division: Unorganized. ...  15th Cavalry Division: 1917–18. 21st Cavalry Division: 1921–40. 22nd Cavalry Division: 1921–40. 23rd Cavalry Division: 1921–40. 24th Cavalry Division: 1921–40.