The phrase "airspace patrol" is correct and usable in written English.
It can be used in contexts related to aviation, military operations, or air traffic control where monitoring or securing airspace is discussed.
Example: "The airspace patrol was conducted to ensure the safety of civilian flights during the military exercise."
Alternatives: "air surveillance" or "air monitoring".
This includes nine Predator drones – the largest fleet used in US domestic airspace – that patrol the south-western border, hi-tech surveillance systems known as "smart borders" that use sensors and cameras to monitor movement at the border, and ground-penetrating radar designed to detect subterranean tunnels (the border patrol has found more than 150 since the 1990s).
The Syrians said that American helicopters and planes routinely violate Syrian airspace while patrolling.
London's airspace will be patrolled by jets and helicopters, with other crafts on standby equipped with early-warning systems and carrying snipers.
The air force is patrolling airspace, while the Indian Navy, which had been involved in a major exercise, has shifted to combat mode.
"Russian planes patrol Russian airspace, NATO planes patrol NATO airspace," he said.
It will be the first time RAF planes have been dispatched to patrol Romanian airspace.
Sensibly, Mr Karamanlis adopted a plan from his Socialist predecessors under which Greece's NATO partners will provide AWACS aircraft to monitor Greek airspace, plus ships to patrol in the Adriatic and Aegean.
With no American aircraft to patrol Iraqi airspace, Iraq has become a corridor for Iranian flights of military supplies to Bashar al-Assad's government in Syria, American officials say.
"As a leading member of Nato, the UK is already playing a central role in providing reassurance to our Nato allies; as demonstrated by our recent deployment of four RAF Typhoon fighter-jets to Lithuania to help patrol Baltic airspace in the wake of Russian aggression in Ukraine".
The decision to push through a new resolution ordering NATO warplanes to patrol Bosnian airspace and shoot down violators was made by the United States, Britain and France today after France abruptly changed sides and joined the Clinton Administration in advocating immediate enforcement of the ban.
