FIRST AIRED: September 14, 2018

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Transcript

00:00:00
>> A new alert system is warning Syrians of impending air strike so they can take cover. Sentry, software created by two Americans, is being used by White Helmet's rescuers in rebel held areas. To operate and maintain air raid sirens. As Idlib, the rebels last major bust in, braces itself for a possible offensive.
00:00:21
Sentry contacts civilians directly too.>> So the way this system works is it takes in observations, both from human observers and from remote sensors. These observations are of aircraft and flight. And they include facts like what kind of airplane, which direction it's heading, and then of course things like time of day and where the observation was made.
00:00:45
>> Sentry has trained a network of observers. When the program receives the information, it estimates the plane's trajectory, and triggers a warning. About 3 million people live in Syria's last major rebel stronghold, Idlib, and neighboring lands on the Turkish border. Half of them are displaced from other areas.
00:01:04
An army offensive to crush the last main pocket of resistance to President Bashar al-Assad's rule, is widely expected.
00:01:11
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