assisting Yemen?

""Notably, the number of American airstrikes in Yemen, largely carried out by unmanned drones, has surged over the past year, as much as tripling in frequency in comparison with 2011. The airstrikes are just one element of a multifaceted engagement in Yemen. A small number of U.S. forces are stationed there to provide strategic assistance to the Yemeni military, while Washington has provided more than $300 million, split among military, humanitarian and development aid.""