F-4

The Turkish military air-force made violated Greek national airspace on two separate occasions Monday. Two F-4 fighter jets and a KC-135 refueling aircraft flew at 22,000 feet over the northeast side of the island of Lesvos, while another couple of F-16 fighters flew over the isle of Oinousses northeast of Chios earlier.

Two F-4 fighter jets of the Turkish Air Force have crashed  in eastern Turkey, killing the four airmen in them, Turkey's Daily Sabah reported on Tuesday.

According to unofficial information, the two aircraft collided in mid-air.