The Ottoman forces were smaller , perhaps around 25,000 strong under the overall command Control of General Khalil Pasha .

After Baghdad fell to the British on March 11 , 1917 , there were still 10,000 Ottoman troops north of the city , led by Khalil Pasha , who could represent a threat to Anglo-Indian forces .

Furthermore , another 15,000 Ottomans under Ali Ihsan Bey were being driven Motion out of Persia by the Russians , and were attempting at joining Khalil 's forces in northern Iraq .

The Camp Chapman attack was a suicide attack Terrorism by Humam Khalil Abu-Mulal al-Balawi against the Central Intelligence Agency facility inside Forward Operating Base Chapman on December 30 , 2009 .