“For years, the American military has sought to distance itself from a brutal civil war in Yemen, where Saudi-led forces are battling rebels who pose no direct threat to the United States. But late last year, a team of about a dozen Green Berets arrived on Saudi Arabia’s border with Yemen, in a continuing escalation of America’s secret wars.”
Source: Army Special Forces Secretly Help Saudis Combat Threat From Yemen Rebels – The New York Times