General Characteristics:


Wingspan: 150 ft (46 m)

Takeoff gross weight: 9,800 lbs (4,445 kg)

Cruise speed: 150 kts

Maximum speed: 200 kts

Altitude: 65,000 ft

Engines: (2) 2.3L 150 horsepower

Endurance: 4 days at 65,000 ft

Let that sink in -
Wingspan equal to the width of a good size building lot
It's relatively light (at 5 ton), slow, flies at twice the altitude of commercial transport.  It's powered by the equivalent of 2 compact car engines and stays aloft for 4 days.  Now take a look:

New Spy Planehttp://video.boeing.com/services/player/bcpid1173939806001?bckey=AQ~~%2cAAAAukPAlqE~%2coAVq1qtdRjwBrIkHYj2MSytJiEK9s5fy&bctid=1331877361001