evidence: 30 Americans Killed Including 22 SEALs When Afghan Insurgents Shoot Down Helicopter [...] Aug. 6, 2011— -- A helicopter was shot down today by Afghan insurgents as it was rushing to aid troops in a firefight, killing 30 Americans, including 22 Navy SEALs, most of whom belonged to Team 6, the unit whose members were involved in the raid that killed Osama bin Laden, U.S. officials said. [...] Although the Taliban have claimed to have shot the helicopter down, U.S. officials have only identified the attackers as insurgents.