From the 9th Reconnaissance Wing at Beale AFB, CA.

The Global Hawk is a high altitude, long endurance unmanned aerial reconnaissance system designed to provide military field commanders with high resolution, near-real time imagery of large geographic areas.

Wingspan: 116.2 feet
Length: 44.4 feet
Height: 15.2 feet
Gross takeoff weight: 25,600 pounds
Payload: 2,000 pounds
Ferry range: 13,500 miles
Maximum endurance: 36 hours
On station at 1,200 nautical miles: 24 hours
Loiter velocity: 343 knots TAS
Maximum altitude: 65,000+ feet