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.