How Can I Find Military Records of My Father and Great Great Grandfather
Edward Henry Powell served in the Civil War with the colored troops. He died in 1911, in Burlington, Vt.
Robert Jones Hoyt served in the Second World War, in the Army and was posted in Burma.
I'm not sure about US searches but I suppose this site is a good start. http://www.archives.gov/veterans/index.html
I would like to suggest trying familysearch.org