“In a statement late Wednesday night, National Security Council spokesperson Bernadette Meehan said: ‘In support of [Gulf Cooperation Council] actions to defend against Houthi violence, President Obama has authorized the provision of logistical and intelligence support to GCC-led military operations. While U.S. forces are not taking direct military action in Yemen in support of this effort, we are establishing a Joint Planning Cell with Saudi Arabia to coordinate U.S. military and intelligence support.'”
Source: U.S. Confirms It Is Supporting Saudi Military Operations In Yemen : The Two-Way : NPR