Military aircrafts are technologically advanced airplanes which are used by the armed forces of countries around the world. There has been a steady and continuous evolution of military aircrafts since World War 1. Military aircrafts which are fixed wing or rotary wing aircrafts can be used as combat aircrafts or as surveillance airplanes. Fighters, attackers and bombers are the main types of combat aircrafts used by the military. Highly advanced military airplanes can cost hundreds of millions of dollars. However, the most expensive aircraft in the world, which was deployed during the wars in Afghanistan and Iraq, is the B-2 spirit bomber. This military airplane costs approximately 2.4 billion dollars. To know more about the most expensive military airplanes in the world, visit the link mentioned below.