Question: What U.S. Army division, referred to as  is the focus of Bravo Company, a 1998 Vietnam War memoir by Robert Hemphill, the commander of this division?
Sentence (from "Platoon: Bravo Company"): Platoon: Bravo Company (1998) is a Vietnam War memoir by Robert Hemphill (with foreword by Joe Galloway), who commanded B (Bravo) Company, 3rd Battalion, 22nd Infantry of the 25th Infantry Division (U.S. Army) in Vietnam from 1 October 1967 to 18 February 1968.
Relevant evidence: Yes