US Department of Defense
  • The Department of Defense posted these images to Twitter on Sept. 25, 2014, with the caption, "Before and after photos of the #Gbiebe oil refinery â?? targets of coalition attacks."
    US Department of Defense
  • A Syrian youth walks past the wreckage of a vehicle following the coalition airstrikes against ISIS in a residential area in Idlib, Syria on Sept. 23, 2014.
    Ahmed Hasan Ubeyd/Anadolu Agency/Getty Images
  • Syrian children collect items from the rubble of a destroyed house following the U.S.-led coalition's airstrikes in Idlib, Syria on Sept. 23, 2014.
    Ahmed Hasan Ubeyd/Anadolu Agency/Getty Images
  • Syrian women collect their belongings from the rubble of a destroyed house following the U.S.-led coalition's airstrikes against ISIS in a residential area in Idlib, Syria on Sept. 23, 2014.
    Ahmed Hasan Ubeyd/Anadolu Agency/Getty Images
  • Syrians watch the search-and-rescue operation among the ruins of a destroyed building in a region of Idlib, a northwestern city of Syria, Sept. 23, 2014.
    AA Video/Anadolu Agency/Getty Images
  • President Obama delivers a statement on the first U.S .bombing of ISIS and al Qaeda at the White House in Washington, Sept. 23, 2014.
    Jim Watson/AFP/Getty Images
  • ABC News Correspondent Alexander Marquardt posted this photo to Twitter Sept. 23, 2014, with the caption, "Some Kurds who fled to #Turkey during the ISIS advance now trying to go back into #Syria hours after US-led strikes."
    Alexander Marquardt/ABC News
  • Pictures showing an ISIS command and control Center in Syria before, left, and after it was struck by bombs dropped by a U.S. F-22 fighter jet are seen in handouts released by the U.S. Department of Defense, Sept. 23, 2014.

    Pictures showing an ISIS command and control Center in Syria before, left, and after it was struck by bombs dropped by a U.S. F-22 fighter jet are seen in handouts released by the U.S. Department of Defense, Sept. 23, 2014.
    PHOTO: Pictures showing an ISIS command and control Center in Syria before, left, and after it was struck by bombs dropped by a U.S. F-22 fighter jet are seen in handouts released by the U.S. Department of Defense, Sept. 23, 2014.
    USAF/Reuters
  • Pictures showing what U.S. officials say was an ISIS finance center in Syria show a view before, left, and after it was struck by a Tomahawk missile in handouts released by the U.S. Department of Defense , Sept. 23, 2014.
    USAF/Reuters
  • The guided-missile destroyer USS Arleigh Burke launches Tomahawk cruise missiles in the Arabian Gulf, Sept. 23, 2014.
    Carlos M. Vazquez II/U.S.Navy/AP Photo
  • The guided-missile cruiser USS Philippine Sea launches a Tomahawk cruise missile at Islamic State group positions in Syria as seen from the aircraft carrier USS George H.W. Bush on the Arabian Gulf, Sept. 23, 2014.
    Eric Garst/U.S. Navy/AP Photo
  • A police officer gestures to Syrian Kurds crossing the border between Syria and Turkey, Sept. 23, 2014.
    Bulent Kilic/AFP/Getty Images
  • U.S. coalition airstrikes against ISIS occurred at targets in Syria, Sept. 23, 2014.
    ABC News
  • Several Arab nations are involved in the ongoing U.S.-led operation against ISIS targets in Syria, Centcom said. Centcom identified the nations as Jordan, Saudi Arabia, Bahrain, Qatar and the United Arab Emirates.
    ABC News