The highest level of alert was declared based on the received intelligence information. The subject the received data concerned was not specified in the reports. Holidays for airbase staff have been canceled, the Turkish DHA news agency reported.
The Incirlik base is five miles north of the Turkish city of Adana near the Syrian border.
The airbase currently hosts aircraft of the United States, Germany, the United Kingdom, Saudi Arabia and Qatar involved in the US-led air campaign against the Islamic State terrorist group, which is outlawed in several states, including Russia.