Northrop Grumman Corp has won a contract worth up to $3.2 billion for continued development, modernization and maintenance of all U.S. Air Force variants of the Global Hawk unmanned surveillance plane, …
Northrop Grumman Corp has won a contract worth up to $3.2 billion for continued development, modernization and maintenance of all U.S. Air Force variants of the Global Hawk unmanned surveillance plane, …