Officer ranks in the United States military consist of commissioned officers and warrant officers. The commissioned ranks are the highest in the military. These officers hold presidential commissions and are confirmed at their ranks by the Senate. Army, Air Force and Marine Corps officers are called company grade officers in the pay grades of O-1 to O-3, field grade officers in pay grades O-4 to O-6 and general officers in pay grades O-7 and higher. The equivalent officer groupings in the Navy are called junior grade, mid-grade and flag. Warrant officers hold warrants from their service secretary and are specialists and experts in certain military technologies or capabilities.
desired mean point of impact. A precise point, associated with a target, and assigned as the center for impact of multiple weapons or area munitions to achieve the intended objective and level of destruction. May be defined descriptively, by grid reference, or by geolocation. Also called DMPI.
imâ¢pact. 1. the striking of one thing against another; collision. 2. influence; effect: the impact of Einstein on modern physics. 3. a forcible impinging: the tremendous impact of the shot. 4. the force exerted by a new idea, concept, technology, or ideology: the impact of the industrial revolution.