(born May 8, 1957) is a retired United States Army four-star general who last commanded U.S.
Forces - Afghanistan (USFOR-A) and the 41-nation NATO-led Resolute Support Mission from March 30, 2016 to September 2, 2018, succeeding General John F.
Campbell.
He was the longest-serving commander of NATO forces in Afghanistan, having been the senior officer in theatre for more than 2 years, 5 months.
He was previously commanding general, Allied Land Command from October 2014 and commander of the 82nd Airborne Division.
Nicholson is the son of John W.
Nicholson, also a former general officer in the United States Army, distantly related to British Brigadier John Nicholson (1822–1857).