1.
territorial airspace
The airspace above a country's territory and territorial waters over which that nation exercises sovereignty. Unauthorized entry constitutes a violation of international law.
Usage
A formal term used in news, diplomacy, and military contexts. Japan's Air Self-Defense Force regularly conducts scramble missions in response to 領空侵犯 (airspace violations).
Common collocations
Similar words
Related Words
Related:
領土 (territory (land))
Related:
領海 (territorial waters)
Related:
上空 (sky above, airspace)
Compare:
空域 (airspace)