The Air Force is preparing to give a North Dakota county government the right to build a technology park for unmanned aircraft at Grand Forks Air Force Base, ND. The park is expected to encompass 217 acres at Grand Forks, according to an Air Force background paper that provides a time line for the lease project. Grand Forks AFB is home to some of the service's Global Hawk unmanned aircraft. For more than a year, Sen. John Hoeven (R-ND) and...