Possible Clues:

• U.S. Grant, for one
• Grant, for one: Abbr.
• Four-star leader: Abbr.
• Lee, e.g.: Abbr.
• R.E. Lee, e.g.
• Robt. E. Lee, for ex.
• U.S. Grant, e.g
• U.S.A.F. V.I.P
• One with star power?: Abbr.
• Army bigwig: Abbr.