"We would like to acknowledge and condemn the fact that this threat was racially charged," the district said. "We do not tolerate hate or racism."
"The training was meant to be realistic — to show what happens if you don't act," White County Sheriff Bill Brooks said.
The latest deaths bring the tally of U.S. service members' deaths in Afghanistan to at least four in 2019, and a total of at least 65 U.S. military deaths since January 2015.
Unvaccinated students have been ordered by the state health department to stay away from the Our Lady of the Assumption Church school and its activities during the outbreak.
Garuda Indonesia airline said the decision to cancel the multibillion-dollar order was due to fears “its business would be damaged due to customer alarm over the crashes.”