A captain is a commissioned officer in the military. They command a company of 60-200 soldiers. They are senior to lieutenants (cadets) and are juniors to majors. A soldier can attain the rank of a captain after 4 years of military service. A lieutenant can also be promoted to captain after a 2.5 years service. Professionals like chaplins, doctors and lawyers attain this rank immediately after enrolling into the military. An infantry captain, with assistance of a non-commissioned officer, is in charge of a company which comprises of four platoons and several support staff. These captains assigns roles to the different lieutenants in their companies. A tank captain is in command of 12 combat tanks that are spread across the platoons in their company. Apart from being a company leader, a captain can assume the role of a staff officer in a battalion. Here, they deputize a lieutenant colonel or a colonel in leading troops. As staff officers, the duties of a captain include tactical opera...