The United States Army works as a single military force, and is not split up into smaller 'armies'. Rather, the Army is split up into companies, which are groups of platoons sent on a particular...
If you want a exact number please go to the DOD web site. There they can give the grim details. However you will find that the number is small. More Americans die each year from drugs and alcohol....
Time in the army isn't as important as the points required for the promotion. In 2011 a new promotion point scheme will be in effect that minimizes the commanders points and other "freebie points"...
Here is a list of the 17 different Branches in the Army: Air Defense Artillery Armor Aviation Chemical Corps Corps of Engineers Field Artillery Infantry Military Police Corps Military Intelligence...