Cold War-era U-2 spy plane set for replacement by unmanned craft

Weather and the operating in contested airspace are two other major concerns, says Richard L. Aboulafia, a vice president for the Teal Group Corp., an aerospace and defense industry market analysis firm.  “There are many circumstances that the Global Hawk just can’t fly in right now,” says Aboulafia, who advises aerospace companies and financial institutions. “They can’t fly in seriously bad weather. The U-2 can fly in anything.”