As part of it's 'Astro' program LAPD helicopters maintain an average nineteen-hours-per-day vigil over 'high crime areas', tactically coordinated to patrol car forces, and exceeding even the British Army's aerial surveillance of Belfast.
Shoulder to shoulder, a coordinated movement of the people, their blood no longer confined in the limited circulation of the body but rolling sweetly and yet still returning through the infinite extent of China. - Kafka, Franz