territorial airspace
Refers to the airspace above a nation's land and territorial waters, subject to its sovereignty. Used in legal, political, and news contexts.
The country's fighter jet violated the territorial airspace.
Protecting the safety of territorial airspace is an important duty of the state.
The fighter jet violated the neighboring country's airspace.
An unidentified aircraft intruded into the airspace.
The air force is tasked with defending the country's airspace.