US President Barack Obama arrives to board the Marine One helicopter at Joint Base Andrews in Maryland outside Washington, DC before his departure to Camp David on July 30, 2016. / AFP PHOTO / YURI GRIPASYURI GRIPAS/AFP/Getty Images

This handout picture released by the Turkish Presidential Press Service on July 29, 2016 shows Turkish President Recep Tayyip Erdogan (L) shaking hands with security forces during his visit to the Police Special Operation Department's Headquarters in Golbasi district of Ankara. President Recep Tayyip Erdogan accused today a top US general of being on the side of Turkey's coup plotters after commenting that the country's turmoil could downgrade military cooperation with Washington. / AFP PHOTO / TURKISH PRESIDENTIAL PRESS OFFICE / KAYHAN OZER / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / TURKISH PRESIDENTIAL PRESS SERVICE / KAYHAN OZER" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS KAYHAN OZER/AFP/Getty Images

This handout picture released by the Turkish Presidential Press Service on July 29, 2016 shows Turkish President Recep Tayyip Erdogan (2nd L), Turkish Supreme Military Council members, Turkish Interior Minister Efkan Ala, Turkish National Defense Minister Fikri Isik and Turkish Foreign Minister Mevlut Cavusoglu praying for the martyred security forces members at the Police Special Operation Department's Headquarters in Golbasi district of Ankara. President Recep Tayyip Erdogan accused today a top US general of being on the side of Turkey's coup plotters after commenting that the country's turmoil could downgrade military cooperation with Washington. / AFP PHOTO / TURKISH PRESIDENTIAL PRESS OFFICE / KAYHAN OZER / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / TURKISH PRESIDENTIAL PRESS SERVICE / KAYHAN OZER" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS KAYHAN OZER/AFP/Getty Images

This handout picture released by the Turkish Presidential Press Service on July 29, 2016 shows Turkish President Recep Tayyip Erdogan (L) shaking hands with a guard during his visit to the Police Special Operation Department's Headquarters in Golbasi district of Ankara. President Recep Tayyip Erdogan accused today a top US general of being on the side of Turkey's coup plotters after commenting that the country's turmoil could downgrade military cooperation with Washington. / AFP PHOTO / TURKISH PRESIDENTIAL PRESS OFFICE / KAYHAN OZER / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / TURKISH PRESIDENTIAL PRESS SERVICE / KAYHAN OZER" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS KAYHAN OZER/AFP/Getty Images

This handout picture released by the Turkish Presidential Press Service on July 29, 2016 shows Turkish President Recep Tayyip Erdogan (L) shaking hands with a guard during his visit to the Police Special Operation Department's Headquarters in Golbasi district of Ankara. President Recep Tayyip Erdogan accused today a top US general of being on the side of Turkey's coup plotters after commenting that the country's turmoil could downgrade military cooperation with Washington. / AFP PHOTO / TURKISH PRESIDENTIAL PRESS OFFICE / KAYHAN OZER / ALTERNATIVE CROP RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / TURKISH PRESIDENTIAL PRESS SERVICE / KAYHAN OZER" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS KAYHAN OZER/AFP/Getty Images

This handout picture released by the Turkish Presidential Press Service on July 29, 2016 shows Turkish President Recep Tayyip Erdogan (L) shaking hands with a guard during his visit to the Police Special Operation Department's Headquarters in Golbasi district of Ankara. President Recep Tayyip Erdogan accused today a top US general of being on the side of Turkey's coup plotters after commenting that the country's turmoil could downgrade military cooperation with Washington. / AFP PHOTO / TURKISH PRESIDENTIAL PRESS OFFICE / KAYHAN OZER / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / TURKISH PRESIDENTIAL PRESS SERVICE / KAYHAN OZER" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS KAYHAN OZER/AFP/Getty Images

This handout picture released by the Turkish Presidential Press Service on July 29, 2016 shows Turkish President Recep Tayyip Erdogan (L) shaking hands with a guard during his visit to the Police Special Operation Department's Headquarters in Golbasi district of Ankara. President Recep Tayyip Erdogan accused today a top US general of being on the side of Turkey's coup plotters after commenting that the country's turmoil could downgrade military cooperation with Washington. / AFP PHOTO / TURKISH PRESIDENTIAL PRESS OFFICE / KAYHAN OZER / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / TURKISH PRESIDENTIAL PRESS SERVICE / KAYHAN OZER" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS KAYHAN OZER/AFP/Getty Images

This handout picture released by the Turkish Presidential Press Service on July 29, 2016 shows Turkish President Recep Tayyip Erdogan (L) standing in front of guards during his visit to the Police Special Operation Department's Headquarters in Golbasi district of Ankara. President Recep Tayyip Erdogan accused today a top US general of being on the side of Turkey's coup plotters after commenting that the country's turmoil could downgrade military cooperation with Washington. / AFP PHOTO / TURKISH PRESIDENTIAL PRESS OFFICE / KAYHAN OZER / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / TURKISH PRESIDENTIAL PRESS SERVICE / KAYHAN OZER" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS KAYHAN OZER/AFP/Getty Images