Special forces emerged in the early 20th century, with a significant growth in the field during the Second World War, when every major army involved in the fighting created formations devoted to special operations behind enemy lines.
11 photos: John Kasich's political career. Ohio Gov. John Kasich speaks at the First in the Nation Republican Leadership Summit on April 18, 2015, in Nashua, New Hampshire. The summit was attended by all the 2016 Republican candidates as well as those eying a run for the nomination.
The governor has been spending more time in Northeast Ohio, his calendar shows. COLUMBUS, Ohio -- Aside from Columbus, where he lives and works, the place that Gov. John Kasich has spent more time than anywhere else in the 18 months since he took office is Northeast Ohio.