MINNEAPOLIS (WCCO) – If you see military helicopters flying low over Minneapolis, don’t be alarmed. They’re just training in an urban environment.

READ MORE: 14 Students, 1 Teacher Killed After Shooter Opens Fire At Texas Elementary School (CBS News)

The U.S. Special Operations Command will be conducting exercises until the beginning of September. This week they’re using helicopters, including Black Hawks.

READ MORE: Eli Hart Killing: Mother Accused Of Murdering 6-Year-Old Son Makes Court Appearance

They’re not giving out their exact training locations because they don’t want crowds to gather.

MORE NEWS: Minnesota Aurora FC Sells Out First Home Match

But you may get a glimpse of the helicopters flying low between 7 p.m. and midnight.