Richard Aboulafia: Lockheed Martin is getting into the helicopter business

Lockheed Martin is buying helicopter manufacturer Sikorsky Aircraft for $9 billion. The move pushes Lockheed into the helicopter business, which it wasn't a part of until now. Richard Aboulafia is the vice president for analysis at the Teal Group Corporation. He tells In Depth with Francis Rose the acquisition shows Lockheed is serious about expanding its reach and getting involved in the international defense business.