A successor to the storied U-2 spy plane is reportedly in development

Lockheed Martin is developing a successor to the storied U-2 spy plane, Flightglobal reports.

Lockeed Martin's "Skunk Works," the office in charge of developing the company's high-end future defense systems, is in the planning stages for a spy plane that combines the best features of both Lockheed's U-2 and Northrop Grumman's RQ-4 Global Hawk drone.

The RQ-4 and the U-2 already perform similar operational roles. But the Global Hawk is more difficult to detect than a U-2 and is unmanned.

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