Military aircraft are set to fly over the Washington, D.C., area early Tuesday in a “rapid response” training exercise, The Washington Post reported.

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North American Aerospace Defense Command (NORAD) officials told the newspaper on Monday that the exercise will include an F-16 fighter, a C-21 transport plane and an MH-65 Dolphin helicopter.

The aircraft will fly over the region from about midnight until 2:30 a.m. for the drill, called Falcon Virgo 18-03.

The exercises, which have been conducted periodically since the 9/11 terrorist attacks, are “carefully planned and closely controlled,” the officials added.