Ranger tab, and Airborne School to earn the Parachutist Badge. In May 2006, Cotton was deployed to Baghdad as part of Operation Iraqi Freedom (OIF) as a platoon leader with the 101st Airborne Division. In Iraq, he led a 41-man air assault infantry platoon in the 506th Infantry Regiment, and planned and performed daily combat patrols. In December 2006 Cotton was promoted to first lieutenant and reassigned to the 3d Infantry Regiment (The Old Guard) at Fort Myer in Arlington, Virginia, as a platoon leader. From October 2008 to July 2009, Cotton was deployed to eastern Afghanistan. He was assigned within the Train Advise Assist Command – East at its Gamberi forward operating base (FOB) in Laghman Province as the operations officer of a Provincial Reconstruction Team (PRT), where he planned daily counter-insurgency and reconstruction operations. Cotton was honorably discharged in September 2009. During his time in the service, he completed two combat deployments overseas, was awarded a Bronze Star, two Army Commendation Medals, a Combat Infantryman Badge, a Ranger tab, an Afghanistan Campaign Medal, and an Iraq Campaign Medal. In July 2010, Cotton entered the Army Reserve (USAR). He was discharged in May 2013. 2006 letter to The New York Times In June 2006, while stationed in Iraq, Cotton gained public attention after writing an open letter to the editor of The New York Times, asserting three journalists had violated "espionage laws" by publishing an article detailing a classified government program monitoring terrorists' finances. The Times did not publish Cotton's letter, but it was published on Power Line, a conservative blog that had been copied on the email. In the letter, Cotton called for the journalists to be prosecuted for espionage "to the fullest extent of the law" and incarcerated. He accused the newspaper of having "gravely endangered the lives of my soldiers and all other soldiers and innocent Iraqis". Cotton's claims circulated online and were reprinted in full elsewhere. According to Jay Rosen, a professor of journalism at New York University in 2011, the Espionage Act has never been used against journalists. Rosen argued accusing investigative journalists of engaging in espionage is "essentially saying that they’re working for another power, or aiding the enemy. That is culture war tactics taken to an extreme." Army Ranger controversy In 2021, Salon reported that Cotton falsely claimed in campaign ads and videos from 2011 to 2014 that he had served in