For Reference -
The US Army prepared a book for the guidance of its chaplains when dealing with a soldier of a non-traditional faith. The book is: "Religious Requirements and Practices of Certain Selected Groups: A Handbook for Chaplains," and was first published in 1978. The 1990 edition appears to have gone out of print. However a new version was published in 2001 under the same name. The the U.S. Department of the Army is listed as as editor 1
Pages 231-236 of the 1990 edition contained an excellent description of Wicca.
see the following URL for text:
http://www.religioustolerance.org/wic_usbk.htm
For the official VA list of symbols:
http://www.cem.va.gov/hmemb.htm