How many squadrons have been deployed?
They have about 18,000 troops on their side of border. Right now Kurds are clashing with FSA in Tel Rifaat, which is south of Azaz. Meanwhile Turkey is still sending some shells their way. It's on and off though, not heavy fire. Residents in Turkey are saying Turkey sent more tanks to two Turkish towns close to the border just less than 30 minutes ago.
Assad allies/forces are mainly targeting a turkmen city in Latakia and doing offensive there. Which is probably upsetting Turkey. Which is why Turkey admitted yesterday it fired some shells on SAA positions.
Qatar said today that it will provide troops for anti-ISIS ground invasion. Over the night, Turkey will keep shelling slightly. If YPG manages to takeover Azaz which is currently controlled by FSA, expect Turkey to do air strikes/tank shelling if not small number of troops.
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The Daily Rapid @dailyrapid 2m2 minutes ago
BREAKING NOW -- Reports of tanks and armored vehicles entering into Northern
#Syria
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Probably isn't true. If true, Russia doesn't mind. Turkey will probably start with Azaz. Build up a base there then maybe have it used for any future anti-ISIS operations or something.