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.
Air University, the center for the professional education of officers and senior noncommissioned officers of the United States Air Force.
The four-engine Boeing B-17 Flying Fortress was almost certainly the best-loved bomber of World War II. Despite the plane's superiority, Congress didn't authorize its purchase in quantity until war was certain. Learn the story and specs of the B-17.