See post#571
Insurgents shot down a U.S. military helicopter during fighting in eastern Afghanistan, killing 30 Americans, most of them belonging to the same elite unit as the Navy SEALs who killed former Al Qaeda leader Usama bin Laden, U.S. officials said Saturday.
"We don't believe that any of the special operators who were killed were involved in the bin Laden operation," a senior U.S. military official told Fox News."
Same "unit" (DEVGRU or SEAL Team Six) different "squad" from within that "unit" from what I understand.