ANTALYA, TURKEY - MARCH 7: (----EDITORIAL USE ONLY MANDATORY CREDIT - 'TURKISH GENERAL STAFF / HANDOUT' - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Chief of the General Staff of the Turkish Armed Forces, Hulusi Akar (right 2) meets Chairman of the US Joint Staff General Joseph Francis Dunford (left 2) on March 7, 2017 in Antalya, Turkey. ( Turkish General Staff / Handout - Anadolu Agency )

ANTALYA, TURKEY - MARCH 7: (----EDITORIAL USE ONLY MANDATORY CREDIT - 'TURKISH GENERAL STAFF / HANDOUT' - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Chief of the General Staff of the Turkish Armed Forces, Hulusi Akar (left 2) meets Chairman of the US Joint Staff General Joseph Francis Dunford (R) on March 7, 2017 in Antalya, Turkey. ( Turkish General Staff / Handout - Anadolu Agency )

ANTALYA, TURKEY - MARCH 7: (----EDITORIAL USE ONLY – MANDATORY CREDIT - TURKISH GENERAL STAFF / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Chief of the General Staff of the Turkish Armed Forces, Hulusi Akar (C), General Valery Gerasimov, Chief of the General Staff of the Russian Armed Forces (R) and Chairman of the US Joint Staff General Joseph Francis Dunford (L) pose for a photo during a trilateral meeting on the current situation in Syria and Iraq on March 7, 2017 in Antalya, Turkey. ( Turkish General Staff / Handout - Anadolu Agency )

ANTALYA, TURKEY - MARCH 7: (----EDITORIAL USE ONLY – MANDATORY CREDIT - TURKISH GENERAL STAFF / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Chief of the General Staff of the Turkish Armed Forces, Hulusi Akar (C), General Valery Gerasimov, Chief of the General Staff of the Russian Armed Forces (Front right 3) and Chairman of the US Joint Staff General Joseph Francis Dunford (Front left 3) pose for a photo during a trilateral meeting on the current situation in Syria and Iraq on March 7, 2017 in Antalya, Turkey. ( Turkish General Staff / Handout - Anadolu Agency )

ANTALYA, TURKEY - MARCH 7: (----EDITORIAL USE ONLY – MANDATORY CREDIT - TURKISH GENERAL STAFF / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Chief of the General Staff of the Turkish Armed Forces, Hulusi Akar (C), Chief of the General Staff of the Russian Armed Forces General Valery Gerasimov (2nd L) and Chairman of the US Joint Staff General Joseph Francis Dunford (R) have a conversation during a reception after their trilateral meeting on the current situation in Syria and Iraq on March 7, 2017 in Antalya, Turkey. Chief of Turkish General Staff Hulusi Akar, his U.S. counterpart Joseph Dunford and Russia’s Valery Gerasimov exchanged views on the security situation in the region, particularly on Syria and Iraq. ( Turkish General Staff / Handout - Anadolu Agency )

ANTALYA, TURKEY - MARCH 7: (----EDITORIAL USE ONLY – MANDATORY CREDIT - TURKISH GENERAL STAFF / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Chief of the General Staff of the Turkish Armed Forces, Hulusi Akar (C), Chief of the General Staff of the Russian Armed Forces General Valery Gerasimov (Center R) and Chairman of the US Joint Staff General Joseph Francis Dunford (Center L) arrive for a reception after their trilateral meeting on the current situation in Syria and Iraq on March 7, 2017 in Antalya, Turkey. Chief of Turkish General Staff Hulusi Akar, his U.S. counterpart Joseph Dunford and Russia’s Valery Gerasimov exchanged views on the security situation in the region, particularly on Syria and Iraq. ( Turkish General Staff / Handout - Anadolu Agency )

ANTALYA, TURKEY - MARCH 7: (----EDITORIAL USE ONLY – MANDATORY CREDIT - TURKISH GENERAL STAFF / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Chief of the General Staff of the Turkish Armed Forces, Hulusi Akar (C), Chief of the General Staff of the Russian Armed Forces General Valery Gerasimov (R) and Chairman of the US Joint Staff General Joseph Francis Dunford (L) arrive for a reception after their trilateral meeting on the current situation in Syria and Iraq on March 7, 2017 in Antalya, Turkey. Chief of Turkish General Staff Hulusi Akar, his U.S. counterpart Joseph Dunford and Russia’s Valery Gerasimov exchanged views on the security situation in the region, particularly on Syria and Iraq. ( Turkish General Staff / Handout - Anadolu Agency )

ANTALYA, TURKEY - MARCH 7: (----EDITORIAL USE ONLY – MANDATORY CREDIT - TURKISH GENERAL STAFF / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Chief of the General Staff of the Turkish Armed Forces, Hulusi Akar (C), Chief of the General Staff of the Russian Armed Forces General Valery Gerasimov (L) and Chairman of the US Joint Staff General Joseph Francis Dunford (R) have a conversation during a reception after their trilateral meeting on the current situation in Syria and Iraq on March 7, 2017 in Antalya, Turkey. Chief of Turkish General Staff Hulusi Akar, his U.S. counterpart Joseph Dunford and Russia’s Valery Gerasimov exchanged views on the security situation in the region, particularly on Syria and Iraq. ( Turkish General Staff / Handout - Anadolu Agency )

ANTALYA, TURKEY - MARCH 7: (----EDITORIAL USE ONLY – MANDATORY CREDIT - TURKISH GENERAL STAFF / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Chief of the General Staff of the Turkish Armed Forces, Hulusi Akar (2nd L), Chief of the General Staff of the Russian Armed Forces General Valery Gerasimov (Far Center) and Chairman of the US Joint Staff General Joseph Francis Dunford (R) have a conversation during a reception after their trilateral meeting on the current situation in Syria and Iraq on March 7, 2017 in Antalya, Turkey. Chief of Turkish General Staff Hulusi Akar, his U.S. counterpart Joseph Dunford and Russia’s Valery Gerasimov exchanged views on the security situation in the region, particularly on Syria and Iraq. ( Turkish General Staff / Handout - Anadolu Agency )

MANDATORY CREDIT - TURKISH GENERAL STAFF / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Chief of the General Staff of the Turkish Armed Forces, Hulusi Akar (R), Chief of the General Staff of the Russian Armed Forces General Valery Gerasimov (2nd L) and Chairman of the US Joint Staff General Joseph Francis Dunford (L) have a conversation during a reception after their trilateral meeting on the current situation in Syria and Iraq on March 7, 2017 in Antalya, Turkey. Chief of Turkish General Staff Hulusi Akar, his U.S. counterpart Joseph Dunford and Russia’s Valery Gerasimov exchanged views on the security situation in the region, particularly on Syria and Iraq. ( Turkish General Staff / Handout - Anadolu Agency )

ANTALYA, TURKEY - MARCH 7: (----EDITORIAL USE ONLY – MANDATORY CREDIT - TURKISH GENERAL STAFF / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Chief of the General Staff of the Turkish Armed Forces, Hulusi Akar (R), Chief of the General Staff of the Russian Armed Forces General Valery Gerasimov (C) and Chairman of the US Joint Staff General Joseph Francis Dunford (2nd L) have a conversation during a reception after their trilateral meeting on the current situation in Syria and Iraq on March 7, 2017 in Antalya, Turkey. Chief of Turkish General Staff Hulusi Akar, his U.S. counterpart Joseph Dunford and Russia’s Valery Gerasimov exchanged views on the security situation in the region, particularly on Syria and Iraq. ( Turkish General Staff / Handout - Anadolu Agency )

ANTALYA, TURKEY - MARCH 07 : (----EDITORIAL USE ONLY – MANDATORY CREDIT - "TURKISH ARMED FORCES GENERAL STAFF / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Chief of the General Staff of the Turkish Armed Forces, Hulusi Akar (C), Gen. Joseph Dunford (L), Chairman of the Joint Chiefs of Staff and General Valery Gerasimov (R), Russia's First Deputy Defence Minister and Chief of the General Staff of the Russian Armed Forces attend tripartite meeting in Antalya, Turkey on March 07, 2017. ( Turkish Armed Forces General Staff / Handout - Anadolu Agency )

ANTALYA, TURKEY - MARCH 7: (----EDITORIAL USE ONLY MANDATORY CREDIT - 'TURKISH GENERAL STAFF / HANDOUT' - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Chief of the General Staff of the Turkish Armed Forces, Hulusi Akar (2nd R), General Valery Gerasimov (R) and Chairman of the US Joint Staff General Joseph Francis Dunford (3rd R) attend a trilateral meeting, on the current situation in Syria and Iraq on March 7, 2017 in Antalya, Turkey. ( Turkish General Staff / Handout - Anadolu Agency )

ANTALYA, TURKEY - MARCH 7: (----EDITORIAL USE ONLY MANDATORY CREDIT - 'TURKISH GENERAL STAFF / HANDOUT' - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Chief of the General Staff of the Turkish Armed Forces, Hulusi Akar (R) talks with Chairman of the US Joint Staff General Joseph Francis Dunford (L) during a trilateral meeting with the attendance of Chief of the General Staff of the Russian Armed Forces General Valery Gerasimov (not seen), on the current situation in Syria and Iraq on March 7, 2017 in Antalya, Turkey. ( Turkish General Staff / Handout - Anadolu Agency )

ANTALYA, TURKEY - MARCH 7: (----EDITORIAL USE ONLY MANDATORY CREDIT - 'TURKISH GENERAL STAFF / HANDOUT' - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Chief of the General Staff of the Turkish Armed Forces, Hulusi Akar (L) views documents with General Valery Gerasimov (R) during a trilateral meeting with the attendance of Chairman of the US Joint Staff General Joseph Francis Dunford (not seen), on the current situation in Syria and Iraq on March 7, 2017 in Antalya, Turkey. ( Turkish General Staff / Handout - Anadolu Agency )

ANTALYA, TURKEY - MARCH 07 : (----EDITORIAL USE ONLY – MANDATORY CREDIT - "TURKISH ARMED FORCES GENERAL STAFF / HANDOUT" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS----) Chief of the General Staff of the Turkish Armed Forces, Hulusi Akar (C), Gen. Joseph Dunford (C-L), Chairman of the Joint Chiefs of Staff and General Valery Gerasimov (C-R), Russia's First Deputy Defence Minister and Chief of the General Staff of the Russian Armed Forces attend tripartite meeting in Antalya, Turkey on March 07, 2017. ( Turkish Armed Forces General Staff / Handout - Anadolu Agency )