During the Spanish-American War, the experienced horsemen of the 10th Cavalry led the way for Col. Theodore Roosevelt’s novice Rough Riders in fighting in Cuba. In the 20th century, official ...
To become a Chief Master Sergeant in the United States Air Force (USAF), you must first join the service as an enlisted airman. To become an enlisted airman, you must be over 17 and not older than 42.