German military officials have altered their plan to purchase four Global Hawk unmanned aircraft from Northrop Grumman in 2012, according to company executives. Germany was expected to sign a contract with Northrop for an additional four aircraft, known as Euro Hawks, following the delivery of the first Euro Hawk aircraft in October 2011. But those plans have been pushed back until mid-2013, according to the company's Euro Hawk program director Jim Kohn. "Right now we're still working with the German...
