Distant Early Warning Line
…stations, dubbed "Texas Towers", a surface naval force of 12 radar picket destroyer escorts and 16 Guardian-class radar picket ships, and an air wing of Lockheed WV-2 Warning Star aircraft that patrolled the picket lines at an altitude of 1,000–2,000 m (3,300–6,600 ft) in 12- to 14-hour missions. Their objective was to extend…