Sergeant at Arms, the officer of an organization who preserves order during its meetings. A sergeant at arms functions mainly at formal gatherings, where he enforces rules of procedure; in a legislative body he also enforces executive commands. Both houses of the U.S. Congress have a sergeant at arms, as do both houses of the British Parliament.
In 2013, North Korea said it had readied missiles for potential strikes on U.S. military bases. The U.S. government said it was ready to intercept them. But what does that really mean?
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.