AIR7 HD was overhead when it happened at the Ben Clark Public Safety Training Center in Riverside shortly before 4:30 p.m.
The Air Force confirmed at a 3 p.m. news conference that the ordnance on that fighter jet had been secured and would be disposed of.
A total of 13 people were hospitalized when that fighter jet slammed into a building near the March Air Reserve Base Thursday afternoon.
None of those injuries are life-threatening.