warrantofficerhistory.org

Wikipedia: Operation Gothic Serpent

Anchor text: Forgotten Hero Of My Lai – The Hugh Thompson Story, about MAJ (then WO) Hugh Clowers Thompson, Jr. (Decd)

Wikipedia: Hugh Thompson Jr.

Anchor text: Commissioning of Army Warrant officers: "When and why were warrant officers commissioned?"

Wikipedia: Uniformed services pay grades of the United States

Anchor text: Army Warrant Officer History - Part I (1918-1996)

Wikipedia: Uniformed services pay grades of the United States

Wikipedia: Warrant officer (United States)

Wikipedia: Warrant officer (United States)

Wikipedia: Warrant officer (United States)

Wikipedia: Warrant officer (United States)

Anchor text: Army Warrant Officer History

Wikipedia: Seacoast defense in the United States

Wikipedia: Mine planter