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National Security Area

1:22

PA.I.E.K3 National Security Area (NSA)

1:57

Special Use Airspace | 60 Second Flight Training

2:32

National security committee in Narok probe ethnic clashes in the area

1:22

National Security Commissioner on escape plan

2:05

Hong Kong to teach new national security law in classrooms

In United States aviation, a National Security Area (NSA) is a designated airspace through which flight is discouraged for reasons of national security.
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