U.S. Marines and Afghan forces killed more than 40 suspected militants in an operation against insurgents who had inflicted the deadliest blow to American forces since the Taliban's ouster, a military spokesman said Monday. The weeklong operation, which concluded over the weekend, was aimed at rebels in the eastern Koregnal Valley believed responsible for twin attacks that killed 19 troops in June. Three Navy SEALs were killed in an ambush, and all 16 soldiers on a helicopter sent to rescue them died when it was hit by a rocket-propelled grenade. "It was successful," Lt. Col. Jerry O'Hara told The Associated Press. "We had over 29 separate engagements with enemy forces that resulted in more than 40 enemy killed in action and many others wounded." O'Hara also announced that a separate three-day battle from Aug. 7-10 in southern Zabul province's Daychopan district left a total of 65 suspected militants dead. The military had previously reported that 16 rebels had been killed...