During the Al-Qaeda insurgency in Yemen , the United States and the United Kingdom were forced to withdraw their Special Operation troops when the internationally recognized Yemeni government collapsed in late 2014 after failing to contain the Houthi rebels .
After the internationally recognized Yemeni government , who was unable to contain the Houthi rebels , collapsed at the end of 2014 , the United States and the United Kingdom was forced to pull out its Special Operations troop
Al-Qaeda insurgency in Yemen