Major is a commisioned military officer ranking directly above a captain and directly below a lieutenant colonel. This is the first/lowest field grade officer rank who is a senior officer in the military. An officer usually attains a Major rank through promotion from the Captain rank. A Major officer has an experience of about 10-15 years. Its noteworthy to state that a single regiment can consist of more than 3 Major officers, each leading a military battalion. Duties of a Major Officer Duties of a Major are diverse. They operate mainly in batallions and brigades as Staff Officers. Sometimes, Majors are commanders or deputy commanders in their respective companies. In a batallion, Major officers serve as specialized executives officers (XO) thus becoming the second-in-command. Here, duties of a Major inclde daily managerial responsibilities consequently freeing up the commanding officer to focus on strategic, tactical, planning and execution of mission objectives. Basically, a XO Majo...