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.
up vote 2 down vote accepted. Impact and effect can be used to mean more or less the same thing, but in context they usually do not mean the same. Actually, if you change has no effect on the system, I would not want you to spend time on it.At the very least, I would hope your change would have an effect: the issue should be fixed!As for impact, in this case, it refers to a larger-scale, usually negative effect.In software development, and effect to the system would normally refer to a functional change in how the user perceives the system, whereas the impact of a change could mean several things:s for impact, in this case, it refers to a larger-scale, usually negative effect. In software development, and effect to the system would normally refer to a functional change in how the user perceives the system, whereas the impact of a change could mean several things: