A Group Captain is a senior rank in the Royal Air Force (RAF) and some other air forces. It is equivalent to a Colonel in the Army and a Captain in the Navy. Group Captains typically command a group of squadrons or serve in senior staff roles, overseeing various operational and administrative functions. The rank of Group Captain is denoted by a silver eagle insignia and is usually held by officers with significant experience and leadership skills. They play a crucial role in strategic planning and decision-making within the air force, contributing to the overall effectiveness of military operations.