On 22 June 2012, a Turkish RF-4E was shot down by Syrian air defenses while flying a reconnaissance flight near the Turkish-Syrian border.
It has been also reported that CIA operated along the Turkish-Syrian border, where agents investigated rebel groups, recommending arms providers which groups to give aid to.
The mules moved slowly through the desolate mountains, and at midnight, three days later, they reached the Turkish-Syrian border.
Turkish sources suggest that intervention would start with creation of a buffer zone along the Turkish-Syrian border and then be expanded.
The government's main headquarters will be at at an undisclosed location close to the Turkish-Syrian border.
On 22 June 2012, Syria shot down the Turkish F-4 Phantom II military jet near the Turkish-Syrian border.
However, the number of refugees, housed in refugee camps across the Turkish-Syrian border exceeded 10,000 people by mid June according to other sources.
On 11 February 2013, a bomb exploded at the Turkısh-Syrian border crossing in Cilvegözü, killing 14.
"There's a narrow zone between two barbed wire fences at the Turkish-Syrian border," Herbert said.
He also thanked the government of Turkey for opening the Turkish-Syrian border to Syrian refugees that fled the country.