Books:

• My Lai: An American Atrocity in the Vietnam War. (Baltimore: Johns Hopkins University Press, 2012; reprint 2018).

• The Gulf War, 1990-1991. (New York: Palgrave MacMillan, 2012).

• Dreams, Myths, and Reality: Utah and the American West. Ed. with Susan J. Matt (Salt Lake City: Signature Books, 2008).

• The Tet Offensive: A Brief History with Documents. (New York: Routledge, 2008).

• Military Justice in Vietnam: The Rule of Law in an American War. (Lawrence: University Press of Kansas, 2007).

• American Military History: A Survey from Colonial Times to the Present. Co-author with Jeffrey Grey and Janet Valentine (Upper Saddle River, New Jersey: Prentice Hall, 2007; Third Edition, Routledge, 2020).

• To Protect and To Serve: A History of Police in America. Co-author with Robert C. Wadman (Upper Saddle River, New Jersey: Prentice-Hall, 2004).

• Witness to Revolution: The Russian Revolution Diary & Letters of J. Butler Wright. (Westport, Connecticut: Praeger Publishers, 2002).

• American Diplomats in Russia: Case Studies in Orphan Diplomacy, 1916-1919. (Westport, Connecticut: Praeger Publishers, 1997).

Articles & Essays

• “Provisional Healing: Vietnam Memorials and the Limits of Memory,” in Geoffrey W.  Jensen and Matthew M. Stith, eds., Beyond the Quagmire: New Interpretations of the Vietnam Conflict (Denton: University of North Texas Press, 2019).

•  “War Mall: Civic Art, Memory, and War on America’s National Public Space,” in Derek Mallet, ed., Monumental Conflicts? Twentieth Century Wars and the Evolution of Popular Memory (New York: Routledge, 2018): 38-55.

• “The Novel and Vietnam,” in Ron Milam, ed., The Vietnam War in Popular Culture (Santa Barbara, California: Praeger Publishers, 2016), 2:205-222.

• Curator, “The First Gulf War: The War to Liberate Kuwait,” Traveling Exhibit, North Carolina Museum of History, Raleigh, North Carolina (2016-2019).

• “Official Historians and Academic Historians: Bridging the Gap in Military History,” Perspectives in History: The Newsmagazine of the American Historical Association Vol.  48, No. 2 (February 2010): 24-26.

• “Primacy and the Unipolar Moment: The Debate over American Power in an Asymmetrical World,” Australian Army Journal Vol. IV, No. 3 (Autumn 2008): 91-104.

• "The United States and Coalition Building in the New International Order." Forum on Public Policy Online (Winter 2007). 

• “The Militarization of American Policing,” in Andrea McArdle and Stacy McGoldrick, eds., Uniform Behavior: Police Localism and National Politics (New York: Palgrave Macmillan, 2006).

• "The Capture of Attu Island: Operation Landcrab, May 1943," in Tristan A. Lovering, ed., Amphibious Assault: Manoeuvre from the Sea, Amphibious Operations from the Last Century (Portsmouth: Royal Navy, 2005).“

• "War for Sale: The Black Market, Currency Manipulation, and Corruption in the American War in Vietnam.” War and Society Vol. 21, No. 2 (October 2003): 135-64.

• “Into the Cauldron: David R. Francis, Felix Cole, & American Intervention in North Russia, 1918-1919,” Gateway Heritage: The Quarterly Magazine of the Missouri Historical Society (Winter, 1994).

Professional Activities, Honors, and Awards:

• Member, Department of the Army Historica Advisory Subcommittee (2023-)

• Program Director, SMH Summer Seminar in Military History (2023 and 2024)

• Battlefield Tour Guide, The Cultural Experience, Vietnam (2023-)

• Edwin H. Simmons Award for Distinguished Service to the Society for Military History (2019)

• Series Editor, Modern War Studies, for the University Press of Kansas (2019-)

• Regional Coordinator, Society for Military History, Southeast Region (2018-)

• Editorial Board, US Military History Review (2015-)

• US Army Outstanding Civilian Service Medal (2014)

• Vice President, Society for Military History (2014-2015)

• General Harold K. Johnson Chair in Military History, US Army War College (2012-2014)

• Society for Military History Book Awards Committee (Chair), (2012-2013)

• Visiting Professor, US Air Force School for Advanced Air & Space Studies (2010-2011)

• Series Editor, Critical Moments in American History, for Routledge (2006-).

• Editorial Advisory Board, The Journal of Military History (2009-2011)

• Department of the Army Historical Advisory Subcommittee (2007-2011, 2023-Present)

• George & Beth Lowe Innovative Teaching Award (Weber State University, 2006)

• Visiting Professor, US Air Force Air War College (2002-2003)

Professional Affiliations

• Society for Military History

• Historians of the Twentieth Century United States

• Society for History of War

• US Commission on Military History

• Georgia Association of Historians

• Society for Historians of American Foreign Relations

Current Research:

• America in 1968, for University Press of Kansas.

• Tet Offensive, for Oxford University Press.