AEROSPACE & DEFENSE

U.S. to Sell Helicopters to South Korea: The United States will sell a $997-million package of attack helicopters, anti-armor missiles and related equipment to South Korea, the Defense Department said. The package includes 37 AH-64 Apache attack helicopters made by McDonnell Douglas Corp., 775 Hellfire missiles made by Rockwell International Corp. and Martin Marietta Corp., and eight spare T-700 helicopter engines produced by General Electric Co. Night-vision devices, anti-radar material and other equipment are included, the Pentagon said.