Colonel, a commissioned army, air force, or marine officer ranking above a lieutenant colonel and below a brigadier general. The comparable naval rank is captain. As insignia of rank a colonel in the U.S. armed forces wears a silver eagle on each shoulder. A colonel in the U.S. Army or Marine Corps normally commands a unit larger than a battalion but smaller than a division; an Air Force colonel commands a wing. A colonel may also hold a staff office.
The Mikoyan-Guryevich MiG-15 was a surprise when it appeared in combat during the Korean War. Read the details of the MiG-15 and learn how it shook the United States aviation industry out of its somewhat complacent state following World War II.
Believe it or not, a number of countries around the world have either disarmed their militaries or never formed one in the first place. Test your knowledge of the world's nonmilitary powers.