also called the death of Pat Tillman, the National Football League player and Army Ranger who was killed in a friendly fire incident in Afghanistan in 2004, "a wake-up call". In March 2007, the United States Navy Reserve selected Bush for training as an intelligence officer through the direct commission officer program, a Navy initiative whereby applicants in specialized civilian fields forgo the typical prerequisites of a commission, such as the Naval Academy, NROTC or OCS, and—instead—attend the Direct Commissioned Officer Indoctrination Course (DCOIC), a three-week course on subjects such as naval history, customs and courtesies, followed by online classes. He was commissioned as a Navy Reserve Officer in May 2007. Bush served in Afghanistan for eight months from June 2010 to February 2011. During the deployment, he was given a different name for security purposes. Bush left the U.S. Navy Reserve in May 2017 as a lieutenant. Texas Land Commissioner 2014 election In September 2012, Bush announced his intention to run for office, saying that he was considering one of several state offices. Two months later he filed papers required to run for state office in Texas. The same month, his father, Jeb Bush, emailed donors requesting that they support him in his 2014 bid for Texas Land Commissioner. In January 2013, Bush filed a campaign finance report stating he had received about $1.3 million in campaign contributions. In March 2013, Bush filed to run for Texas Land Commissioner. The main role of the Land Office is negotiating and enforcing leases for mineral rights on millions of acres of land owned by the State of Texas. By June 2013, Bush had raised $3.3 million even though no Democratic candidate had emerged for land commissioner. On November 19, 2013, he officially filed the papers to run for Texas land commissioner. In the 2014 Republican primary, outgoing Land Commissioner Jerry E. Patterson ran unsuccessfully for lieutenant governor while Bush defeated David Watts of Gilmer in Upshur County for the Republican nomination for land commissioner; Bush received 74 percent of the vote, totalling 937,987 votes to Watts' 27 percent with 346,949 votes. In the November 4 general election, Bush faced Democrat John Cook, a former mayor of El Paso. Bush won 61 percent of the vote against token opposition, carrying "virtually every demographic" and riding a nationwide Republican wave in the midterms. He became the only Bush to win his first election.