What datum does the U.S. Army use when calculating a position in UTM?

Question

I'm wondering what the datum the U.S. Army uses as a standard when calculating a position in UTM? I'm wondering if they use WGS84 or if there is some other standard the Army uses.

Answer 1

Start here.
http://earth-info.nga.mil/GandG/publications/tr8350.2/tr8350_2.html

Answer 2

1. The browness of the nose.
2. Who you know.
3. Can you obey stupid orders?
4. Are you willing to forget the Constitution you agreed to defend if the President says do it anyway?