HARTFORD, Conn. — America's wars since the Sept. 11 attacks have been a boon for Connecticut's Sikorsky Aircraft Corp., the maker of Black Hawk helicopters.
The U.S. military has relied heavily on the workhorse helicopters to strike targets and ferry troops in Iraq and Afghanistan.
Sikorsky's global sales more than doubled in five years — to $6.7 billion in 2010 — largely because of military business that includes the Black Hawk.
And the desert operations for the Black Hawk's longest-ever military engagements have led to design changes to repel sand in engines and improve communications systems.
Richard Aboulafia, an analyst at Teal Group, an aerospace analysis firm in Arlington, Va., says the Black Hawk is the only military equipment with a dual role in fighting conventional battles and facing down shadowy enemies.
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