Lockheed Martin is buying Black Hawk helicopter maker Sikorsky Aircraft for $9 billion. United Technologies Corp. said in June that it planned to shed Sikorsky, either through a sale or spinoff. The aerospace …
Lockheed Martin is buying Black Hawk helicopter maker Sikorsky Aircraft for $9 billion. United Technologies Corp. said in June that it planned to shed Sikorsky, either through a sale or spinoff. The aerospace …