US Department of Defense,
As of September 2004, some twenty types of coalition Unmanned Aircraft, large and small, have flown over 100,000 total flight hours in support of combat operations in Afghanistan and Iraq.
As the Pentagon develops and employs an increasingly sophisticated force of unmanned systems, including UA, over the next 25 years (2005 to 2030), it is providing in this document what it describes as a clear, coordinated plan for the evolution this capability.
The report assesses the combat drones now in use and under development and also takes stock of Pentagon needs. It places top priority on the J-UCAS combat system being competitively developed by Boeing and Northrop Grumman, whose goal is to develop an unmanned aircraft that can gather intelligence in enemy territory and also neutralize enemy air defenses.
Full Document (in PDF format)