The U.S. and Yemen: A Lethal Blend http://www.counterpunch.org/hallinan08062010.html

How involved is the U.S. military in Yemen[?]...According to several news agencies...very involved and likely to be more so in the future...“U.S. military teams and intelligence agencies are deeply involved in secret joint operations with Yemeni troops”...including “the U.S. military’s clandestine Joint Special Operations Command, whose main mission is tracking and killing suspected terrorists.”