Captain Luke J. O’Brien a military intelligence officer assigned to the US Army’s 20th CBRNE Command at Aberdeen Proving Ground, Maryland. Initially commissioned into the Army as a Field Artillery officer, Luke deployed to Iraq as a rifle platoon leader and to Afghanistan as an assistant battalion fire support officer, before transferring to the Military Intelligence Corps in 2011. Luke then spent two years in the Republic of Korea assigned to the 2nd Infantry Division, serving both as a company commander and as the head of the division’s weapons of mass destruction intelligence analysis cell. His military writings have appeared insuch publications as War on the Rocks, The Strategy Bridge, RealClearDefense, the Atlantic Council, and War is Boring. Luke has a bachelor of arts in history from The Ohio State University, and is currently a National Defense University Countering Weapons of Mass Destruction Graduate Fellow, writing his thesis on nuclear escalation control during the Cuban Missile Crisis. He is also an active member of the Military Writers Guild.