Colonels are senior military officers, typically ranking above lieutenant colonels and below generals. They often command a regiment or brigade and are responsible for the training, readiness, and welfare of their troops. In many countries, the rank of colonel is a key leadership position within the armed forces. The title of colonel is used in various military branches, including the Army, Air Force, and Navy. In some nations, colonels may also serve in staff roles, contributing to strategic planning and operations. The rank is often associated with significant experience and leadership skills in military service.